/[volute]/trunk/projects/vocabularies/src/IVOAT/IVOAT.txt
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Contents of /trunk/projects/vocabularies/src/IVOAT/IVOAT.txt

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Revision 6 - (show annotations)
Tue Dec 4 22:22:28 2007 UTC (12 years, 11 months ago) by norman.x.gray
File MIME type: text/plain
File size: 453787 byte(s)
Add Rick Hessman's IVOAT vocabulary to the tree, as a minimally
  adjusted edit of the files in
  http://www.astro.physik.uni-goettingen.de/~hessman/rdf/IVOAT/IVOAT.tar
Improved instructions in vocabularies/README for adding a vocabulary.

1 ## 21-cm_line
2 21-cm_line
3 ALT
4 "21 cm line"
5 D
6 "21 centimeter line of hydrogen"
7 BT
8 radio_recombination_line
9 RT
10 H_I
11 H_I_absorption
12 H_I_cloud
13 H_I_content
14 H_I_emission
15 H_I_region
16 hydrogen
17 radio_frequency
18 ## 53_Persei_star
19 53_Persei_star
20 D
21 "53 Persei star"
22 BT
23 B_star
24 pulsating_variable_star
25 ## Abell_cluster
26 Abell_cluster
27 D
28 "Abell cluster"
29 BT
30 galaxy_cluster
31 ## aberration
32 aberration
33 D
34 "aberration of light"
35 RT
36 astrometry
37 coordinate_system
38 ## ablation
39 ablation
40 D
41 "ablation"
42 RT
43 meteorite
44 ## abnormal_spectrum
45 abnormal_spectrum
46 D
47 "abnormal spectrum"
48 BT
49 spectrum
50 RT
51 peculiar_star
52 ## absolute_magnitude
53 absolute_magnitude
54 D
55 "absolute magnitude"
56 BT
57 magnitude
58 RT
59 Hertzsprung-Russell_diagram
60 Wilson-Bappu_effect
61 distance
62 distance_modulus
63 luminosity
64 ## absolute_temperature_scale
65 absolute_temperature_scale
66 D
67 "absolute temperature scale"
68 BT
69 temperature_scale
70 NT
71 Kelvin
72 RT
73 celsius_temperature_scale
74 temperature
75 N
76 "ES: moved Kelvin from RT to NT (2007-OCT-8)"
77 ## absorption
78 absorption
79 D
80 "absorption"
81 NT
82 atmospheric_extinction
83 intergalactic_absorption
84 interstellar_absorption
85 light_absorption
86 RT
87 Rosseland_opacity
88 atmospheric_scattering
89 atmospheric_window
90 capture
91 equivalent_width
92 interstellar_gas
93 opacity
94 photodissociation
95 photoionization
96 radiation
97 radiative_equilibrium
98 reddened_star
99 reddening
100 transmission
101 N
102 "combine with other terms"
103 ## absorption_coefficient
104 absorption_coefficient
105 ALT
106 "absorptivity"
107 D
108 "absorption coefficient"
109 RT
110 Einstein_coefficient
111 atmospheric_extinction
112 intergalactic_absorption
113 interstellar_absorption
114 optical_depth
115 transparency
116 ## absorption_line
117 absorption_line
118 D
119 "absorption line"
120 BT
121 spectral_line
122 NT
123 absorption_line_system
124 RT
125 Lyman_alpha_forest
126 Voigt_profile
127 atomic_process
128 bound-free_transition
129 calcium_line
130 cyanogen_line
131 line_formation
132 line_identification
133 line_profile
134 line_ratio
135 metal_line
136 microturbulence
137 residual_intensity
138 spectrum
139 spectroscopic_analysis
140 ## absorption_line_system
141 absorption_line_system
142 D
143 "absorption line system"
144 BT
145 absorption_line
146 system
147 RT
148 quasar
149 HN
150 "ES: new (2007-OCT-8)"
151 ## absorption_spectrum
152 absorption_spectrum
153 D
154 "absorption spectrum"
155 BT
156 line_spectrum
157 spectrum
158 NT
159 atomic_spectrum
160 RT
161 Balmer_series
162 D_line
163 Fraunhofer_line
164 Raman_effect
165 bound-free_transition
166 energy_spectrum
167 ## absorption_spectroscopy
168 absorption_spectroscopy
169 D
170 "absorption spectroscopy"
171 BT
172 spectroscopy
173 ## abundance
174 abundance
175 ALT
176 "chemical abundance"
177 "element abundance"
178 "stellar abundance"
179 D
180 "abundance"
181 NT
182 cosmic_abundance
183 isotopic_abundance
184 metal_abundance
185 overabundance
186 underabundance
187 RT
188 CNO_anomaly
189 abundance_ratio
190 chemical_composition
191 chemical_element
192 chemical_evolution
193 curve_of_growth
194 element_formation
195 enrichment
196 heavy_element
197 helium-poor_star
198 helium-rich_star
199 peculiar_star
200 rare_earth
201 N
202 "may be combined with element, e.g. helium abundance"
203 ## abundance_ratio
204 abundance_ratio
205 D
206 "abundance ratio"
207 RT
208 CNO_anomaly
209 abundance
210 ## acceleration
211 acceleration
212 D
213 "acceleration"
214 BT
215 kinematics
216 RT
217 deceleration
218 gravimetry
219 orbital_element
220 orbit
221 ## accretion
222 accretion
223 D
224 "accretion"
225 RT
226 Alfven_surface
227 accretion_disk
228 binary_star
229 mass-transfer
230 particle_accretion
231 ## accretion_disk
232 accretion_disk
233 D
234 "accretion discs" UK
235 "accretion disk"
236 BT
237 disk
238 RT
239 accretion
240 black_hole
241 circumstellar_disk
242 close_binary_star
243 cooling_flow
244 dwarf_nova
245 low-mass_X-ray_binary_star
246 stellar_wind
247 superhump
248 ## achondrite
249 achondrite
250 D
251 "achondrite"
252 BT
253 chondrite
254 meteorite
255 ## acoustics
256 acoustics
257 D
258 "acoustics"
259 RT
260 acoustic_wave
261 ## acoustic_wave
262 acoustic_wave
263 ALT
264 "sound"
265 "sound wave"
266 D
267 "acoustic wave"
268 BT
269 wave
270 RT
271 acoustics
272 gravity_wave
273 sound_speed
274 wavelength
275 ## actinium
276 actinium
277 ALT
278 "Ac"
279 D
280 "actinium (atomic number 89)"
281 BT
282 fundamental_chemical_element
283 HN
284 "FVH: new (2007-OCT-25)"
285 ## active_galactic_nucleus
286 active_galactic_nucleus
287 ALT
288 "AGN"
289 D
290 "active galactic nucleus"
291 BT
292 X-ray_source
293 galactic_nucleus
294 variable_source
295 NT
296 Seyfert_nucleus
297 blazar
298 RT
299 BL_Lacertae_object
300 active_galaxy
301 compact_nucleus
302 emission_line_galaxy
303 galaxy
304 quasar
305 radio_galaxy
306 ## active_galaxy
307 active_galaxy
308 ALT
309 "eruptive galaxy"
310 D
311 "active galaxy"
312 BT
313 X-ray_source
314 galaxy
315 RT
316 X-ray_flare
317 active_galactic_nucleus
318 compact_galaxy
319 emission_line_galaxy
320 ## active_optics
321 active_optics
322 D
323 "active optics"
324 BT
325 optics
326 RT
327 adaptive_optics
328 atmospheric_refraction
329 multiple_mirror_telescope
330 seeing
331 tip-tilt_mirror
332 ## active_prominence
333 active_prominence
334 D
335 "active prominence"
336 BT
337 active_region
338 prominence
339 RT
340 Sun
341 ## active_region
342 active_region
343 D
344 "solar active region"
345 NT
346 active_prominence
347 RT
348 Sun
349 HN
350 "FVH: new (2007-OCT-29)"
351 ## active_star
352 active_star
353 D
354 "active star"
355 BT
356 star
357 NT
358 X-ray_star
359 emission_line_star
360 RT
361 X-ray_flare
362 ## active_Sun
363 active_Sun
364 D
365 "active Sun"
366 BT
367 Sun
368 RT
369 flare
370 quiet_Sun
371 solar_activity
372 solar_cycle
373 sunspot
374 ## activity_index
375 activity_index
376 D
377 "activity index"
378 RT
379 solar_activity
380 ## adaption
381 adaption
382 D
383 "adaption"
384 N
385 "combine with other terms"
386 ## adaptive_optics
387 adaptive_optics
388 D
389 "adaptive optics"
390 BT
391 optics
392 RT
393 active_optics
394 atmospheric_refraction
395 seeing
396 segmented_optics
397 ## adiabatic_process
398 adiabatic_process
399 D
400 "adiabatic process"
401 RT
402 energy-transfer
403 thermodynamics
404 ## adjustment
405 adjustment
406 D
407 "adjustment"
408 RT
409 alignment_optics
410 collimation
411 correction
412 optics
413 orientation
414 N
415 "combine with other terms"
416 ## adsorption
417 adsorption
418 D
419 "adsorption"
420 RT
421 dust_grain
422 interplanetary_grain
423 interstellar_dust
424 N
425 "combine with other terms"
426 ## A_dwarf
427 A_dwarf
428 D
429 "A dwarf star"
430 BT
431 A_star
432 dwarf
433 RT
434 A_subdwarf
435 ## aerolite
436 aerolite
437 D
438 "aerolite"
439 BT
440 meteorite
441 ## aeronomy
442 aeronomy
443 D
444 "aeronomy"
445 BT
446 scientific_field
447 RT
448 Earth_atmosphere
449 atmosphere
450 planet
451 ## Ae_star
452 Ae_star
453 D
454 "Ae star"
455 BT
456 A_star
457 Herbig_AeBe_star
458 early-type_emission_star
459 NT
460 Herbig_AeBe_star
461 RT
462 Be_star
463 ## afterglow
464 afterglow
465 D
466 "afterglow"
467 BT
468 atmospheric_radiation
469 RT
470 light_scattering
471 luminescence
472 ## age
473 age
474 D
475 "age"
476 RT
477 Hubble_time
478 cosmochronology
479 relaxation_time
480 turnoff_point
481 N
482 "combine with other terms"
483 ## A_giant
484 A_giant
485 D
486 "A giant star"
487 BT
488 A_star
489 giant
490 ## air
491 air
492 D
493 "air"
494 BT
495 gas
496 RT
497 atmosphere
498 ## air_conditioning
499 air_conditioning
500 D
501 "air conditioning"
502 RT
503 temperature_control
504 ventilation
505 ## airglow
506 airglow
507 ALT
508 "dayglow"
509 "nightglow"
510 D
511 "airglow"
512 BT
513 atmospheric_radiation
514 RT
515 Rayleigh_scattering
516 ashen_light
517 aurora
518 night_sky_brightness
519 radiative_recombination
520 sky_brightness
521 ## airplane-borne_instrument
522 airplane-borne_instrument
523 ALT
524 "airplane borne instrument"
525 D
526 "airplane-borne instrument"
527 BT
528 instrument
529 RT
530 balloon-borne_instrument
531 ground-based_astronomy
532 infrared_observatory
533 rocket-borne_instrument
534 satellite-borne_instrument
535 ## air_pollution
536 air_pollution
537 D
538 "air pollution"
539 BT
540 pollution
541 RT
542 light_pollution
543 site_protection
544 ## Airy_disk
545 Airy_disk
546 D
547 "Airy discs" UK
548 "Airy disk"
549 RT
550 diffraction
551 ## albedo
552 albedo
553 ALT
554 "spherical albedo"
555 D
556 "albedo"
557 BT
558 optical_property
559 RT
560 illumination
561 radiation
562 reflection
563 surface_property
564 ## Alfven_surface
565 Alfven_surface
566 D
567 "Alfven surface"
568 RT
569 accretion
570 neutron_star
571 ## Alfven_wave
572 Alfven_wave
573 ALT
574 "hydromagnetic wave"
575 D
576 "Alfven wave"
577 BT
578 magnetohydrodynamics
579 NT
580 coronal_wave
581 ## Algol_variable_star
582 Algol_variable_star
583 ALT
584 "beta Persei star"
585 D
586 "Algol variable star"
587 BT
588 binary_star
589 eclipsing_binary_star
590 RT
591 W_Ursae_Majoris_star
592 ## alignment_optics
593 alignment_optics
594 D
595 "alignment of optical image"
596 RT
597 adjustment
598 collimation
599 correction
600 orientation
601 ## all-sky_camera
602 all-sky_camera
603 ALT
604 "all sky camera"
605 D
606 "all-sky camera"
607 BT
608 camera
609 wide-field_telescope
610 NT
611 cloud_monitor
612 RT
613 all-sky_photography
614 wide-angle_lens
615 CN
616 "FVH: added NT CLOUD_MONITORS (2007-SEP-21)"
617 ## all-sky_photography
618 all-sky_photography
619 ALT
620 "all sky photography"
621 D
622 "all-sky photography"
623 BT
624 photography
625 RT
626 all-sky_camera
627 camera
628 wide-angle_lens
629 ## almanac
630 almanac
631 D
632 "almanac"
633 NT
634 nautical_almanac
635 RT
636 ephemeris
637 ## alpha2_Canum_Venaticorum_star
638 alpha2_Canum_Venaticorum_star
639 D
640 "alpha2 Canum Venaticorum star"
641 BT
642 eruptive_binary_star
643 magnetic_variable_star
644 RT
645 Ap_star
646 SX_Arietis_star
647 spectrum_variable_star
648 CN
649 "FVH: removed incorrect BT cataclysmic_variable_star (2007-OCT-2)"
650 ## alpha_particle
651 alpha_particle
652 D
653 "alpha particle"
654 BT
655 boson
656 composite_particle
657 nuclear_radiation
658 particle
659 RT
660 electron
661 neutron
662 proton
663 radioactivity
664 ## altazimuth_mounting
665 altazimuth_mounting
666 ALT
667 "alt-azimuth mounting"
668 "azimuth mounting"
669 D
670 "altazimuth mounting"
671 BT
672 telescope_mounting
673 RT
674 altitude_angle
675 azimuth
676 equatorial_mounting
677 horizon_coordinate_system
678 siderostat
679 vertical_circle
680 ## altimeter
681 altimeter
682 D
683 "altimeter"
684 BT
685 measuring_instrument
686 RT
687 weather_station
688 ## altimetry
689 altimetry
690 D
691 "altimetry"
692 ## altitude_angle
693 altitude_angle
694 ALT
695 "elevation angle"
696 D
697 "altitude [angle]"
698 RT
699 altazimuth_mounting
700 azimuth
701 horizon
702 horizon_coordinate_system
703 sextant
704 zenith_distance
705 N
706 "use for angle; see ALTITUDE_HEIGHT for height"
707 ## aluminizing
708 aluminizing
709 D
710 "aluminizing"
711 RT
712 aluminum_coating
713 mirror
714 vacuum_technique
715 ## aluminum
716 aluminum
717 ALT
718 "Al"
719 D
720 "aluminum (atomic number 13)"
721 BT
722 fundamental_chemical_element
723 NT
724 aluminum_coating
725 HN
726 "FVH: new (2007-OCT-25)"
727 ## aluminum_coating
728 aluminum_coating
729 D
730 "aluminium coating" UK
731 "aluminum coating"
732 BT
733 aluminum
734 coating
735 thin_film
736 RT
737 aluminizing
738 mirror
739 optical_surface
740 silver_coating
741 vacuum_technique
742 vapor_deposition
743 CN
744 "FVH: moved aluminium_coating to localized D (2007-SEP-24)"
745 ## amateur_astronomy
746 amateur_astronomy
747 D
748 "amateur astronomy"
749 BT
750 astronomy
751 RT
752 astronomer
753 astronomical_research
754 ## AM_Canum_Venaticorum_star
755 AM_Canum_Venaticorum_star
756 D
757 "AM Canum Venaticorum star"
758 BT
759 hydrogen_deficient_star
760 nova-like_variable
761 RT
762 UX_Ursae_Majoris_star
763 dwarf_nova
764 ## americium
765 americium
766 ALT
767 "Am"
768 D
769 "americium (atomic number 95)"
770 BT
771 fundamental_chemical_element
772 HN
773 "FVH: new (2007-OCT-25)"
774 ## AM_Herculis_star
775 AM_Herculis_star
776 ALT
777 "polars"
778 D
779 "AM Herculis star"
780 BT
781 cataclysmic_variable_star
782 ## ammonia
783 ammonia
784 D
785 "ammonia"
786 BT
787 interstellar_molecule
788 ## Amor_group
789 Amor_group
790 D
791 "Amor group"
792 BT
793 minor_planet_family
794 RT
795 Apollo_group
796 Trojan_group
797 ## amplifier
798 amplifier
799 D
800 "amplifier"
801 BT
802 instrument
803 NT
804 microchannel_plate
805 parametric_amplifier
806 preamplifier
807 RT
808 image_tube
809 photomultiplier_tube
810 pulse_counter
811 pulse_counting
812 ## amplitude
813 amplitude
814 D
815 "amplitude"
816 RT
817 decay_oscillation
818 magnitude
819 oscillation
820 pulsation
821 variable_star
822 vibration
823 ## Am_star
824 Am_star
825 D
826 "Am star"
827 BT
828 A_star
829 magnetic_star
830 magnetic_variable_star
831 metal-rich_star
832 NT
833 spectrum_variable_star
834 ## analog_recorder
835 analog_recorder
836 D
837 "analog recorder"
838 BT
839 data_storage
840 ## analysis
841 analysis
842 D
843 "analysis"
844 NT
845 data_analysis
846 fine_analysis
847 signal_analysis
848 signal_processing
849 RT
850 astronomical_technique
851 quantization
852 reduction_method
853 N
854 "combine with other terms"
855 ## anemometer
856 anemometer
857 D
858 "anemometer"
859 BT
860 measuring_instrument
861 RT
862 weather_station
863 wind_vane
864 HN
865 "FVH: new (2007-SEP-21)"
866 ## angular_diameter
867 angular_diameter
868 ALT
869 "apparent diameter"
870 D
871 "angular diameter"
872 BT
873 diameter
874 NT
875 isophotal_diameter
876 RT
877 interferometry
878 occultation
879 speckle_interferometry
880 ## angular_momentum
881 angular_momentum
882 D
883 "angular momentum"
884 RT
885 kinematics
886 momentum
887 rotation
888 ## angular_resolution
889 angular_resolution
890 D
891 "angular resolution"
892 BT
893 resolution
894 RT
895 angular_separation
896 beamwidth
897 optics
898 speckle_interferometry
899 ## angular_separation
900 angular_separation
901 ALT
902 "angular distance"
903 D
904 "angular separation"
905 RT
906 angular_resolution
907 optical_double_star
908 speckle_interferometry
909 ## angular_velocity
910 angular_velocity
911 D
912 "angular velocity"
913 BT
914 velocity
915 RT
916 celestial_mechanics
917 orbital_velocity
918 rotation
919 ## anisotropy
920 anisotropy
921 D
922 "anisotropy"
923 RT
924 background_radiation
925 isotropy
926 polarization_charge_separation
927 ## annual_equation
928 annual_equation
929 D
930 "annual equation"
931 RT
932 Earth-Moon_system
933 Earth_orbit
934 elliptical_orbit
935 ## annual_parallax
936 annual_parallax
937 ALT
938 "heliocentric parallax"
939 "parallax"
940 D
941 "annual parallax"
942 BT
943 parallax
944 RT
945 Astronomical_Unit
946 ## annular_eclipse
947 annular_eclipse
948 D
949 "annular eclipse"
950 BT
951 eclipse
952 RT
953 total_eclipse
954 ## anomaly
955 anomaly
956 D
957 "anomaly"
958 NT
959 CNO_anomaly
960 gravity_anomaly
961 magnetic_anomaly
962 CN
963 "FVH: generic non-orbital anomaly; old entry moved to orbital_anomaly (2007-OCT-29)"
964 ## anomalistic_month
965 anomalistic_month
966 D
967 "anomalistic month"
968 RT
969 Moon
970 orbital_anomaly
971 ## anomalistic_year
972 anomalistic_year
973 D
974 "anomalistic year"
975 BT
976 year
977 RT
978 orbital_anomaly
979 ## ansa
980 ansa
981 D
982 "ansa"
983 RT
984 lenticular_galaxy
985 planetary_nebula
986 ring
987 ## antapex
988 antapex
989 D
990 "antapex"
991 RT
992 apex
993 solar_motion
994 ## antarctic_observatory
995 antarctic_observatory
996 D
997 "antarctic observatory"
998 BT
999 observatory
1000 ## antenna_design
1001 antenna_design
1002 D
1003 "antenna design"
1004 RT
1005 polar_diagram
1006 radio_telescope
1007 ## antenna
1008 antenna
1009 ALT
1010 "aerials"
1011 "antennas"
1012 D
1013 "antenna"
1014 BT
1015 radar_equipment
1016 NT
1017 Cassegrain_antenna
1018 Mills_cross_antenna
1019 Yagi_antenna
1020 dipole_antenna
1021 directional_antenna
1022 horn_antenna
1023 lens_antenna
1024 microwave_antenna
1025 parabolic_antenna
1026 radio_antenna
1027 reflector_antenna
1028 RT
1029 array
1030 current_sheet
1031 current
1032 dish_antenna
1033 feed_horn
1034 interferometer
1035 radar
1036 radio_telescope
1037 telescope
1038 ## anthropic_principle
1039 anthropic_principle
1040 D
1041 "anthropic principle"
1042 RT
1043 cosmology
1044 life
1045 ## antimatter
1046 antimatter
1047 D
1048 "antimatter"
1049 BT
1050 matter
1051 NT
1052 antiparticle
1053 ## antimony
1054 antimony
1055 ALT
1056 "Sb"
1057 D
1058 "antimony (atomic number 51)"
1059 BT
1060 fundamental_chemical_element
1061 HN
1062 "FVH: new (2007-OCT-25)"
1063 ## antineutrino
1064 antineutrino
1065 D
1066 "antineutrino"
1067 BT
1068 antiparticle
1069 RT
1070 neutrino
1071 ## antinode
1072 antinode
1073 D
1074 "antinode"
1075 RT
1076 vibration
1077 ## antinucleon
1078 antinucleon
1079 D
1080 "antinucleon"
1081 BT
1082 antiparticle
1083 ## antiparticle
1084 antiparticle
1085 D
1086 "antiparticle"
1087 BT
1088 antimatter
1089 elementary_particle
1090 NT
1091 antineutrino
1092 antinucleon
1093 antiproton
1094 positron
1095 ## antiproton
1096 antiproton
1097 D
1098 "antiproton"
1099 BT
1100 antiparticle
1101 RT
1102 proton
1103 ## antireflection_coating
1104 antireflection_coating
1105 D
1106 "antireflection coating"
1107 BT
1108 coating
1109 optical_film
1110 thin_film
1111 RT
1112 lens
1113 optical_surface
1114 ## apastron
1115 apastron
1116 D
1117 "apastron"
1118 BT
1119 apsis
1120 RT
1121 periastron
1122 ## aperiodic_comet
1123 aperiodic_comet
1124 D
1125 "aperiodic comet"
1126 BT
1127 comet
1128 ## aperture
1129 aperture
1130 D
1131 "aperture"
1132 RT
1133 aperture_synthesis
1134 apodization
1135 optical_system
1136 ## aperture_synthesis
1137 aperture_synthesis
1138 ALT
1139 "synthetic aperture"
1140 D
1141 "aperture synthesis"
1142 RT
1143 aperture
1144 grading_function
1145 grating_ring
1146 interferometry
1147 visibility_function
1148 ## apex
1149 apex
1150 D
1151 "apex"
1152 RT
1153 antapex
1154 solar_motion
1155 ## aphelion
1156 aphelion
1157 D
1158 "aphelion"
1159 BT
1160 apsis
1161 RT
1162 Earth_orbit
1163 perihelion
1164 planet
1165 ## apocenter
1166 apocenter
1167 D
1168 "apocenter"
1169 RT
1170 binary_star
1171 ## apodization
1172 apodization
1173 ALT
1174 "apodisation UK"
1175 D
1176 "apodization"
1177 RT
1178 aperture
1179 radio_telescope
1180 ## apogee
1181 apogee
1182 D
1183 "apogee"
1184 BT
1185 apsis
1186 RT
1187 Moon
1188 perigee
1189 ## Apollo_group
1190 Apollo_group
1191 D
1192 "Apollo group"
1193 BT
1194 minor_planet_family
1195 RT
1196 Amor_group
1197 Hirayama_family
1198 Trojan_group
1199 ## apparent_intensity
1200 apparent_intensity
1201 D
1202 "apparent intensity"
1203 BT
1204 intensity
1205 ## apparent_magnitude
1206 apparent_magnitude
1207 D
1208 "apparent magnitude"
1209 BT
1210 magnitude
1211 NT
1212 B_magnitude
1213 H_magnitude
1214 I_magnitude
1215 J_magnitude
1216 K_magnitude
1217 L_magnitude
1218 M_magnitude
1219 N_magnitude
1220 O_magnitude
1221 P_magnitude
1222 Q_magnitude
1223 R_magnitude
1224 U_magnitude
1225 V_magnitude
1226 photoelectric_magnitude
1227 photographic_magnitude
1228 photovisual_magnitude
1229 RT
1230 photometric_system
1231 photometry
1232 ## apparent_position
1233 apparent_position
1234 ALT
1235 "apparent places"
1236 D
1237 "apparent position"
1238 BT
1239 position
1240 RT
1241 astrometry
1242 true_position
1243 ## apparent_superluminal_motion
1244 apparent_superluminal_motion
1245 ALT
1246 "superluminal motion"
1247 D
1248 "apparent superluminal motion"
1249 BT
1250 motion
1251 RT
1252 velocity_of_light
1253 ## apsidal_motion
1254 apsidal_motion
1255 D
1256 "apsidal motion"
1257 BT
1258 motion
1259 RT
1260 apsis
1261 orbit
1262 ## apsis
1263 apsis
1264 ALT
1265 "apse"
1266 D
1267 "apsis"
1268 BT
1269 orbital_element
1270 NT
1271 apastron
1272 aphelion
1273 apogee
1274 periastron
1275 perigee
1276 perihelion
1277 RT
1278 apsidal_motion
1279 orbit
1280 N
1281 "apse = apsis, apsides is plural"
1282 ## Ap_star
1283 Ap_star
1284 ALT
1285 "peculiar A star"
1286 D
1287 "Ap star"
1288 BT
1289 A_star
1290 peculiar_star
1291 NT
1292 holmium_star
1293 manganese_star
1294 silicon_star
1295 spectrum_variable_star
1296 RT
1297 alpha2_Canum_Venaticorum_star
1298 magnetic_star
1299 magnetic_variable_star
1300 oblique_rotator
1301 rapid_oscillation
1302 ## archaeoastronomy
1303 archaeoastronomy
1304 ALT
1305 "ancient astronomy"
1306 "astroarchaeology"
1307 D
1308 "archaeoastronomy"
1309 BT
1310 astronomy
1311 history_of_astronomy
1312 NT
1313 megalithic_astronomy
1314 RT
1315 armillary_sphere
1316 astrolabe
1317 astrology
1318 ## arc
1319 arc
1320 D
1321 "arc"
1322 NT
1323 auroral_arc
1324 luminous_arc
1325 CN
1326 "FVH: made general term (2007-OCT-1)"
1327 ## argon
1328 argon
1329 ALT
1330 "Ar"
1331 D
1332 "argon (atomic number 18)"
1333 BT
1334 fundamental_chemical_element
1335 HN
1336 "FVH: new (2007-OCT-25)"
1337 ## armillary_sphere
1338 armillary_sphere
1339 D
1340 "armillary sphere"
1341 BT
1342 instrument
1343 RT
1344 archaeoastronomy
1345 ## array_processor
1346 array_processor
1347 D
1348 "array processor"
1349 BT
1350 computer
1351 RT
1352 detector_array
1353 ## array
1354 array
1355 D
1356 "array"
1357 NT
1358 detector_array
1359 diode_array
1360 phased_array
1361 t_array
1362 telescope_array
1363 very_long_baseline_interferometer
1364 y_array
1365 RT
1366 antenna
1367 grating_response
1368 interferometer
1369 radio_interferometer
1370 radio_telescope
1371 ## arsenic
1372 arsenic
1373 ALT
1374 "As"
1375 D
1376 "arsenic (atomic number 33)"
1377 BT
1378 fundamental_chemical_element
1379 HN
1380 "FVH: new (2007-OCT-25)"
1381 ## artificial_satellite
1382 artificial_satellite
1383 D
1384 "artificial satellite"
1385 NT
1386 geostationary_satellite
1387 space_observatory
1388 RT
1389 polar_orbit
1390 satellite_laser_ranging
1391 space_astronomy
1392 space_telescope
1393 space_vehicle
1394 ## ascending_node
1395 ascending_node
1396 D
1397 "ascending node"
1398 BT
1399 node
1400 CN
1401 "FVH: moved NODES to BT (2007-OCT-1)"
1402 ## ashen_light
1403 ashen_light
1404 D
1405 "ashen light"
1406 BT
1407 atmospheric_radiation
1408 RT
1409 Venus
1410 airglow
1411 N
1412 "refers to Venus' atmosphere"
1413 ## A_star
1414 A_star
1415 D
1416 "A star"
1417 BT
1418 early-type_star
1419 NT
1420 A_dwarf
1421 A_giant
1422 A_subdwarf
1423 A_subgiant
1424 A_supergiant
1425 Ae_star
1426 Am_star
1427 Ap_star
1428 RT
1429 early-type_variable_star
1430 spectral_type
1431 ## astatine
1432 astatine
1433 ALT
1434 "At"
1435 D
1436 "astatine (atomic number 85)"
1437 BT
1438 fundamental_chemical_element
1439 HN
1440 "FVH: new (2007-OCT-25)"
1441 ## asteroid_belt
1442 asteroid_belt
1443 D
1444 "asteroid belt"
1445 RT
1446 asteroid
1447 ## asteroid_occultation
1448 asteroid_occultation
1449 D
1450 "occultation by asteroid"
1451 BT
1452 occultation
1453 RT
1454 asteroid
1455 HN
1456 "FVH: new (2007-OCT-8)"
1457 ## asteroid
1458 asteroid
1459 ALT
1460 "minor planet"
1461 "planetoid"
1462 D
1463 "asteroid"
1464 BT
1465 rotating_body
1466 NT
1467 near-Earth_asteroid
1468 RT
1469 Edgeworth-Kuiper_belt
1470 Kirkwood_gap
1471 Solar_System
1472 asteroid_belt
1473 asteroid_occultation
1474 interplanetary_matter
1475 meteor_stream
1476 meteorite
1477 meteoroid_dust_cloud
1478 meteoroid
1479 minor_planet_family
1480 planetesimal
1481 resonance_gap
1482 trans-Neptunian_object
1483 ## asteroseismology
1484 asteroseismology
1485 ALT
1486 "stellar seismology"
1487 D
1488 "asteroseismology"
1489 BT
1490 seismology
1491 NT
1492 helioseismology
1493 RT
1494 pulsating_variable_star
1495 pulsation
1496 rapid_oscillation
1497 solar_oscillation
1498 stellar_oscillation
1499 ## astigmatism
1500 astigmatism
1501 D
1502 "astigmatism"
1503 BT
1504 optical_aberration
1505 RT
1506 chromatic_aberration
1507 comatic_aberration
1508 distortion
1509 field_curvature
1510 spherical_aberration
1511 ## astrobiology
1512 astrobiology
1513 ALT
1514 "exobiology"
1515 D
1516 "astrobiology"
1517 BT
1518 astronomy
1519 biology
1520 scientific_field
1521 RT
1522 cosmochemistry
1523 extraterrestrial_life
1524 ## astrodynamics
1525 astrodynamics
1526 D
1527 "astrodynamics"
1528 RT
1529 celestial_mechanics
1530 ## astrographic_camera
1531 astrographic_camera
1532 D
1533 "astrographic camera"
1534 BT
1535 camera
1536 ## astrographic_catalog
1537 astrographic_catalog
1538 ALT
1539 "astrographic catalogues UK"
1540 D
1541 "astrographic catalog"
1542 BT
1543 catalog
1544 ## astrograph
1545 astrograph
1546 D
1547 "astrograph"
1548 BT
1549 astrometric_instrument
1550 ## astrolabe
1551 astrolabe
1552 D
1553 "astrolabe"
1554 BT
1555 astrometric_instrument
1556 instrument
1557 NT
1558 Danjon_astrolabe
1559 impersonal_astrolabe
1560 RT
1561 archaeoastronomy
1562 ## astrology
1563 astrology
1564 D
1565 "astrology"
1566 BT
1567 scientific_field
1568 RT
1569 archaeoastronomy
1570 astronomy
1571 constellation
1572 planet
1573 zodiac
1574 ## astrometric_binary_star
1575 astrometric_binary_star
1576 D
1577 "astrometric binary star"
1578 BT
1579 binary_star
1580 ## astrometric_instrument
1581 astrometric_instrument
1582 D
1583 "astrometric instrument"
1584 BT
1585 instrument
1586 NT
1587 astrograph
1588 astrolabe
1589 quadrant
1590 sextant
1591 transit_instrument
1592 RT
1593 astrometry
1594 time
1595 ## astrometry
1596 astrometry
1597 ALT
1598 "positional astronomy"
1599 D
1600 "astrometry"
1601 BT
1602 astronomical_technique
1603 astronomy
1604 observing_technique
1605 NT
1606 photographic_astrometry
1607 radio_astrometry
1608 space_astrometry
1609 RT
1610 Earth_rotation
1611 aberration
1612 apparent_position
1613 astrometric_instrument
1614 astronomical_geodesy
1615 celestial_mechanics
1616 coordinate_system
1617 equator_position
1618 fundamental_star
1619 latitude_determination
1620 meridian_circle
1621 optical_position
1622 parallax
1623 precession
1624 reference_system
1625 stellar_motion
1626 transit_instrument
1627 transit
1628 true_position
1629 ## astronomer
1630 astronomer
1631 D
1632 "astronomer"
1633 RT
1634 amateur_astronomy
1635 astronomical_research
1636 ## astronomical_constant
1637 astronomical_constant
1638 D
1639 "astronomical constant"
1640 BT
1641 constant
1642 NT
1643 Astronomical_Unit
1644 Oort_constant
1645 RT
1646 celestial_mechanics
1647 physical_constant
1648 ## astronomical_geodesy
1649 astronomical_geodesy
1650 D
1651 "astronomical geodesy"
1652 BT
1653 geodesy
1654 RT
1655 astrometry
1656 ## astronomical_optics
1657 astronomical_optics
1658 D
1659 "astronomical optics"
1660 BT
1661 optics
1662 ## astronomical_research
1663 astronomical_research
1664 D
1665 "astronomical research"
1666 NT
1667 space_research
1668 RT
1669 amateur_astronomy
1670 astronomer
1671 ## astronomical_technique
1672 astronomical_technique
1673 D
1674 "astronomical technique"
1675 NT
1676 astrometry
1677 interferometry
1678 photometry
1679 polarimetry
1680 spectrophotometry
1681 spectroscopy
1682 RT
1683 analysis
1684 observing_technique
1685 photography
1686 reduction_method
1687 N
1688 "most used in several wavelength region"
1689 ## Astronomical_Unit
1690 Astronomical_Unit
1691 ALT
1692 "A.U."
1693 "AU"
1694 D
1695 "Astronomical Unit"
1696 BT
1697 astronomical_constant
1698 RT
1699 annual_parallax
1700 distance_scale
1701 heliocentric_correction
1702 parallax
1703 parsec
1704 solar_parallax
1705 trigonometric_parallax
1706 CN
1707 "FVH: added ALT A.U. (2007-09-21)"
1708 ## astronomy
1709 astronomy
1710 D
1711 "astronomy"
1712 BT
1713 scientific_field
1714 NT
1715 amateur_astronomy
1716 archaeoastronomy
1717 astrobiology
1718 astrometry
1719 cosmic_ray_astronomy
1720 cosmogony
1721 cosmology
1722 ground-based_astronomy
1723 infrared_astronomy
1724 space_astronomy
1725 RT
1726 astrology
1727 ## astrophysics
1728 astrophysics
1729 D
1730 "astrophysics"
1731 BT
1732 scientific_field
1733 NT
1734 high-energy_astrophysics
1735 theoretical_astrophysics
1736 RT
1737 cosmology
1738 CN
1739 "FVH: moved theoretical_astrophysics to NT (2007-OCT-1)"
1740 N
1741 "combine with other terms"
1742 ## A_subdwarf
1743 A_subdwarf
1744 D
1745 "A subdwarf star"
1746 BT
1747 A_star
1748 subdwarf
1749 RT
1750 A_dwarf
1751 ## A_subgiant
1752 A_subgiant
1753 D
1754 "A subgiant star"
1755 BT
1756 A_star
1757 subgiant
1758 ## A_supergiant
1759 A_supergiant
1760 D
1761 "A supergiant star"
1762 BT
1763 A_star
1764 early-type_supergiant
1765 supergiant
1766 ## asymptotic_giant_branch
1767 asymptotic_giant_branch
1768 ALT
1769 "AGB"
1770 D
1771 "asymptotic giant branch"
1772 RT
1773 Hertzsprung-Russell_diagram
1774 late-type_giant
1775 post-asymptotic_giant_branch
1776 ## ataxite
1777 ataxite
1778 D
1779 "ataxite"
1780 BT
1781 meteorite
1782 ## atlas
1783 atlas
1784 ALT
1785 "chart"
1786 D
1787 "atlas"
1788 NT
1789 star_atlas
1790 RT
1791 catalog
1792 finding_chart
1793 map
1794 sky_survey
1795 survey
1796 ## atmosphere
1797 atmosphere
1798 D
1799 "atmosphere"
1800 NT
1801 Earth_atmosphere
1802 stellar_atmosphere
1803 RT
1804 aeronomy
1805 air
1806 boundary_layer
1807 greenhouse_effect
1808 limb_brightening
1809 limb_darkening
1810 macroturbulence
1811 microturbulence
1812 opacity
1813 planet
1814 radiation_belt
1815 refraction_angle
1816 scale_height
1817 scintillation
1818 temperature_zone
1819 water_vapor
1820 N
1821 "combine with other terms"
1822 ## atmospheric_density
1823 atmospheric_density
1824 D
1825 "atmospheric density"
1826 BT
1827 density
1828 RT
1829 scale_height
1830 ## atmospheric_extinction
1831 atmospheric_extinction
1832 ALT
1833 "extinction"
1834 D
1835 "atmospheric extinction"
1836 BT
1837 absorption
1838 scattering
1839 RT
1840 Earth_atmosphere
1841 absorption_coefficient
1842 atmospheric_window
1843 light_absorption
1844 light_scattering
1845 ultraviolet_extinction
1846 N
1847 "refers to Earth atmosphere"
1848 ## atmospheric_radiation
1849 atmospheric_radiation
1850 ALT
1851 "sky radiation"
1852 D
1853 "atmospheric radiation"
1854 NT
1855 afterglow
1856 airglow
1857 ashen_light
1858 aurora
1859 terrestrial_radiation
1860 RT
1861 sky_brightness
1862 N
1863 "ES: moved terrestrial_radiation from BT to NT (2007-OCT-8)"
1864 ## atmospheric_refraction
1865 atmospheric_refraction
1866 D
1867 "atmospheric refraction"
1868 RT
1869 active_optics
1870 adaptive_optics
1871 atmospheric_scintillation
1872 point_spread_function
1873 refractive_index
1874 scintillation
1875 seeing
1876 speckle
1877 ## atmospheric_scattering
1878 atmospheric_scattering
1879 D
1880 "atmospheric scattering"
1881 RT
1882 Earth_atmosphere
1883 absorption
1884 ## atmospheric_scintillation
1885 atmospheric_scintillation
1886 ALT
1887 "twinkling"
1888 D
1889 "atmospheric scintillation"
1890 BT
1891 scintillation
1892 RT
1893 Earth_atmosphere
1894 atmospheric_refraction
1895 seeing
1896 ## atmospheric_tide
1897 atmospheric_tide
1898 D
1899 "atmospheric tide"
1900 BT
1901 tide
1902 ## atmospheric_window
1903 atmospheric_window
1904 D
1905 "atmospheric window"
1906 BT
1907 window
1908 NT
1909 infrared_transmission_window
1910 optical_transmission_window
1911 radio_transmission_window
1912 RT
1913 Earth_atmosphere
1914 absorption
1915 atmospheric_extinction
1916 transparency
1917 N
1918 "spectral ranges transmitted by the Earth's atmosphere"
1919 ## atomic_clock
1920 atomic_clock
1921 ALT
1922 "caesium clock"
1923 "cesium clock"
1924 D
1925 "atomic clock"
1926 BT
1927 clock
1928 measuring_instrument
1929 RT
1930 atomic_time
1931 geodesy
1932 time
1933 time_standard
1934 time_synchronization
1935 very_long_baseline_interferometry
1936 ## atomic_line
1937 atomic_line
1938 D
1939 "atomic line"
1940 RT
1941 atomic_spectrum
1942 ## atomic_physics
1943 atomic_physics
1944 D
1945 "atomic physics"
1946 BT
1947 scientific_field
1948 ## atomic_process
1949 atomic_process
1950 D
1951 "atomic process"
1952 RT
1953 absorption_line
1954 emission_line
1955 equation_of_state
1956 excitation
1957 population_inversion
1958 ## atomic_spectrum
1959 atomic_spectrum
1960 D
1961 "atomic spectrum"
1962 BT
1963 absorption_spectrum
1964 spectrum
1965 RT
1966 atomic_line
1967 ## atomic_time
1968 atomic_time
1969 D
1970 "atomic time"
1971 RT
1972 atomic_clock
1973 ## atom
1974 atom
1975 D
1976 "atom"
1977 BT
1978 matter
1979 NT
1980 fundamental_chemical_element
1981 RT
1982 chemical_element
1983 ## attenuation
1984 attenuation
1985 D
1986 "attenuation"
1987 RT
1988 filter
1989 neutral_density_filter
1990 ## auroral_arc
1991 auroral_arc
1992 D
1993 "auroral arc"
1994 BT
1995 arc
1996 aurora
1997 ## auroral_jet
1998 auroral_jet
1999 D
2000 "auroral jet"
2001 BT
2002 aurora
2003 ## aurora
2004 aurora
2005 D
2006 "aurora"
2007 BT
2008 atmospheric_radiation
2009 NT
2010 auroral_arc
2011 auroral_jet
2012 RT
2013 Rayleigh
2014 airglow
2015 light_emission
2016 magnetic_disturbances
2017 magnetic_pole
2018 magnetic_storm
2019 night_sky_brightness
2020 photoionization
2021 sky_brightness
2022 solar_activity
2023 upper_atmosphere
2024 ## australite
2025 australite
2026 D
2027 "australite"
2028 BT
2029 meteorite
2030 tektite
2031 RT
2032 bediasite
2033 chondrite
2034 moldavite
2035 ## auto-correlation
2036 auto-correlation
2037 ALT
2038 "autocorrelation"
2039 D
2040 "auto-correlation"
2041 BT
2042 correlation
2043 RT
2044 cross-correlation
2045 data_processing
2046 HN
2047 "FVH: new (2007-NOV-1)"
2048 ## autoguider
2049 autoguider
2050 D
2051 "autoguider"
2052 BT
2053 control_system
2054 guide_system
2055 RT
2056 automatic_patrol_telescope
2057 quadrant_detector
2058 tracking
2059 ## automated_telescope
2060 automated_telescope
2061 ALT
2062 "robotic telescope"
2063 D
2064 "automated telescope"
2065 BT
2066 telescope
2067 NT
2068 automatic_patrol_telescope
2069 RT
2070 remote_control_system
2071 ## automatic_patrol_telescope
2072 automatic_patrol_telescope
2073 D
2074 "automatic patrol telescope"
2075 BT
2076 automated_telescope
2077 optical_telescope
2078 RT
2079 autoguider
2080 photometry
2081 remote_control_system
2082 ## autumnal_equinox
2083 autumnal_equinox
2084 D
2085 "autumnal equinox"
2086 BT
2087 equinox
2088 RT
2089 vernal_equinox
2090 ## auxiliary_instrument
2091 auxiliary_instrument
2092 D
2093 "auxiliary instrument"
2094 BT
2095 instrument
2096 ## avalanche_photodiode
2097 avalanche_photodiode
2098 D
2099 "avalanche photodiode"
2100 BT
2101 photodiode
2102 photoelectronic_device
2103 RT
2104 photometry
2105 ## axial_ratio
2106 axial_ratio
2107 D
2108 "axial ratio"
2109 BT
2110 ratio
2111 RT
2112 axis
2113 major_axis
2114 minor_axis
2115 HN
2116 "ES: new (2007-OCT-11)"
2117 ## axion
2118 axion
2119 D
2120 "axion"
2121 BT
2122 elementary_particle
2123 ## axis
2124 axis
2125 D
2126 "axis"
2127 RT
2128 axial_ratio
2129 N
2130 "combine with other terms"
2131 ## azimuth
2132 azimuth
2133 ALT
2134 "bearing"
2135 D
2136 "azimuth"
2137 RT
2138 altazimuth_mounting
2139 altitude_angle
2140 horizon
2141 horizon_coordinate_system
2142 ## Baade-Wesselink_method
2143 Baade-Wesselink_method
2144 D
2145 "Baade-Wesselink method"
2146 RT
2147 Cepheid
2148 diameter
2149 ## background
2150 background
2151 D
2152 "background"
2153 N
2154 "combine with other terms"
2155 ## background_noise
2156 background_noise
2157 D
2158 "background noise"
2159 BT
2160 noise
2161 RT
2162 cosmic_noise
2163 signal-to-noise_ratio
2164 sky_noise
2165 ## background_radiation
2166 background_radiation
2167 ALT
2168 "radiation background"
2169 D
2170 "background radiation"
2171 BT
2172 radiation
2173 NT
2174 X-ray_background
2175 cosmic_background_radiation
2176 cosmic_ray
2177 gamma-ray_background
2178 microwave_background
2179 radio_background
2180 ultraviolet_background
2181 RT
2182 Sunyaev-Zeldovich_effect
2183 anisotropy
2184 cosmic_noise
2185 sky_brightness
2186 ## Bailey_type
2187 Bailey_type
2188 ALT
2189 "AB variable star"
2190 D
2191 "Bailey type"
2192 BT
2193 RR_Lyrae_star
2194 ## bailys_bead
2195 bailys_bead
2196 D
2197 "Baily's bead"
2198 RT
2199 Sun
2200 diamond_ring_effect
2201 solar_eclipse
2202 ## Baker-Nunn_camera
2203 Baker-Nunn_camera
2204 D
2205 "Baker-Nunn camera"
2206 BT
2207 catadioptric_system
2208 meteor_camera
2209 reflecting_telescope
2210 wide-field_telescope
2211 RT
2212 Bouwers_telescope
2213 Schmidt_telescope
2214 ## balloon-borne_instrument
2215 balloon-borne_instrument
2216 ALT
2217 "balloon borne instrument"
2218 D
2219 "balloon-borne instrument"
2220 RT
2221 X-ray_astronomy
2222 airplane-borne_instrument
2223 cosmic_ray_astronomy
2224 gamma-ray_astronomy
2225 ground-based_astronomy
2226 rocket-borne_instrument
2227 satellite-borne_instrument
2228 space_probe_instrument
2229 space_telescope
2230 ultraviolet_astronomy
2231 ## Balmer_continuum
2232 Balmer_continuum
2233 D
2234 "Balmer continuum"
2235 BT
2236 hydrogen_spectrum
2237 RT
2238 Balmer_series
2239 ## Balmer_limit
2240 Balmer_limit
2241 D
2242 "Balmer limit"
2243 BT
2244 Balmer_series
2245 ## Balmer_series
2246 Balmer_series
2247 ALT
2248 "Balmer line"
2249 D
2250 "Balmer series"
2251 BT
2252 hydrogen_spectrum
2253 NT
2254 H_alpha
2255 H_beta
2256 H_delta
2257 H_epsilon
2258 H_gamma
2259 Balmer_limit
2260 RT
2261 absorption_spectrum
2262 Balmer_continuum
2263 Brackett_series
2264 Lyman_series
2265 Paschen_series
2266 Pfund_series
2267 ## barium
2268 barium
2269 ALT
2270 "Ba"
2271 D
2272 "barium (atomic number 56)"
2273 BT
2274 fundamental_chemical_element
2275 RT
2276 barium_star
2277 HN
2278 "FVH: new (2007-OCT-25)"
2279 ## barium_star
2280 barium_star
2281 ALT
2282 "Ba II star"
2283 D
2284 "barium star"
2285 BT
2286 star
2287 NT
2288 semi-barium_star
2289 RT
2290 S_star
2291 barium
2292 heavy_metal_star
2293 ## barometer
2294 barometer
2295 D
2296 "barometer"
2297 BT
2298 measuring_instrument
2299 RT
2300 pressure
2301 weather_station
2302 HN
2303 "FVH: new (2007-SEP-21)"
2304 ## barred_spiral_galaxy
2305 barred_spiral_galaxy
2306 D
2307 "barred spiral galaxy"
2308 BT
2309 galaxy
2310 spiral_galaxy
2311 NT
2312 B_galaxy
2313 ## baryonic_Dark_Matter
2314 baryonic_Dark_Matter
2315 D
2316 "baryonic Dark Matter"
2317 BT
2318 Dark_Matter
2319 RT
2320 cold_Dark_Matter
2321 ## baryon
2322 baryon
2323 D
2324 "baryon"
2325 BT
2326 elementary_particle
2327 RT
2328 Omega_baryon
2329 quark
2330 ## basin
2331 basin
2332 D
2333 "basin"
2334 RT
2335 crater
2336 ## B_band
2337 B_band
2338 D
2339 "B band"
2340 BT
2341 Fraunhofer_line
2342 molecular_band
2343 RT
2344 molecular_spectrum
2345 ## B_dwarf
2346 B_dwarf
2347 D
2348 "B dwarf star"
2349 BT
2350 B_star
2351 dwarf
2352 NT
2353 gamma_Cassiopeiae_star
2354 ## beam_switching
2355 beam_switching
2356 D
2357 "beam switching"
2358 RT
2359 radio_telescope
2360 ## beam_waveguide
2361 beam_waveguide
2362 D
2363 "beam waveguide"
2364 RT
2365 collimator
2366 ## beamwidth
2367 beamwidth
2368 D
2369 "beamwidth"
2370 RT
2371 angular_resolution
2372 polar_diagram
2373 radio_telescope
2374 ## bediasite
2375 bediasite
2376 D
2377 "bediasite"
2378 BT
2379 meteorite
2380 tektite
2381 RT
2382 australite
2383 chondrite
2384 moldavite
2385 ## berkelium
2386 berkelium
2387 ALT
2388 "Bk"
2389 D
2390 "berkelium (atomic number 97)"
2391 BT
2392 fundamental_chemical_element
2393 HN
2394 "FVH: new (2007-OCT-25)"
2395 ## beryllium
2396 beryllium
2397 ALT
2398 "Be"
2399 D
2400 "beryllium (atomic number 4)"
2401 BT
2402 fundamental_chemical_element
2403 HN
2404 "FVH: new (2007-OCT-25)"
2405 ## Besselian_epoch
2406 Besselian_epoch
2407 D
2408 "Besselian epoch"
2409 BT
2410 epoch
2411 standard_epoch
2412 RT
2413 Julian_epoch
2414 time
2415 ## Bessel_photometry
2416 Bessel_photometry
2417 ALT
2418 "Bessel UBVRI photometry"
2419 D
2420 "Bessel photometry"
2421 BT
2422 broad_band_photometry
2423 photometric_system
2424 RT
2425 BV_photometry
2426 B_magnitude
2427 I_magnitude
2428 Johnson_photometry
2429 R_magnitude
2430 U_magnitude
2431 V_magnitude
2432 HN
2433 "FVH: new (2007-SEP-21)"
2434 ## Be_star
2435 Be_star
2436 ALT
2437 "Be dwarf star"
2438 D
2439 "Be star"
2440 BT
2441 B_star
2442 Herbig_AeBe_star
2443 early-type_emission_star
2444 NT
2445 Herbig_AeBe_star
2446 lambda_eridani_star
2447 RT
2448 Ae_star
2449 circumstellar_shell
2450 CN
2451 "FVH: moved Be_dwarf to ALT and U Herbig_star to BT HERBIG_AeBe_STARS (2007-OCT-1)"
2452 ## beta_Cephei_star
2453 beta_Cephei_star
2454 ALT
2455 "beta Canis Majoris star"
2456 D
2457 "beta Cephei star"
2458 BT
2459 early-type_variable_star
2460 multi-periodic_variable_star
2461 pulsating_variable_star
2462 short_period_variable_star
2463 RT
2464 non-radial_pulsation
2465 radial_pulsation
2466 ## beta_Lyrae_star
2467 beta_Lyrae_star
2468 D
2469 "beta Lyrae star"
2470 BT
2471 close_binary_star
2472 contact_binary_star
2473 eclipsing_binary_star
2474 ellipsoidal_variable_star
2475 ## B_galaxy
2476 B_galaxy
2477 D
2478 "barred galaxy (Yerkes classification scheme)"
2479 BT
2480 barred_spiral_galaxy
2481 RT
2482 Yerkes_classification
2483 HN
2484 "FVH+AG: new (2007-OCT-26)"
2485 ## B_giant
2486 B_giant
2487 D
2488 "B giant star"
2489 BT
2490 B_star
2491 giant
2492 ## Bianchi_cosmology
2493 Bianchi_cosmology
2494 D
2495 "Bianchi cosmology"
2496 BT
2497 cosmology
2498 ## bias_calibration
2499 bias_calibration
2500 D
2501 "bias calibration"
2502 BT
2503 calibration
2504 RT
2505 CCD_detector
2506 HN
2507 "FVH: new (2007-OCT-3)"
2508 ## Big_Bang_theory
2509 Big_Bang_theory
2510 D
2511 "Big Bang theory"
2512 BT
2513 cosmology
2514 RT
2515 Friedmann_universe
2516 Hubble_radius
2517 Hubble_time
2518 Lemaitre_universe
2519 closed_universe
2520 early_universe
2521 hadron_barrier
2522 open_universe
2523 primordial_fireball
2524 relativistic_velocity
2525 steady-state_theory
2526 ## binary_pulsar
2527 binary_pulsar
2528 D
2529 "binary pulsar"
2530 BT
2531 pulsar
2532 ## binary_star
2533 binary_star
2534 ALT
2535 "binaries"
2536 "double star"
2537 D
2538 "binary star"
2539 BT
2540 binary_system
2541 star
2542 NT
2543 Algol_variable_star
2544 RS_Canum_Venaticorum_star
2545 astrometric_binary_star
2546 close_binary_star
2547 contact_binary_star
2548 detached_binary_star
2549 eclipsing_binary_star
2550 ellipsoidal_variable_star
2551 eruptive_binary_star
2552 interacting_binary_star
2553 semi-detached_binary_star
2554 spectroscopic_binary_star
2555 visual_binary_star
2556 wide_binary_star
2557 RT
2558 accretion
2559 apocenter
2560 center_of_mass
2561 companion_star
2562 dynamical_parallax
2563 inclination
2564 mass-loss
2565 mass-ratio
2566 multiple_star
2567 occultation
2568 orbit_determination
2569 orbit
2570 period
2571 period_change
2572 period_determination
2573 phase_wave
2574 position_angle
2575 runaway_star
2576 semimajor_axis
2577 separation
2578 two-body_problem
2579 von_Zeipel_theorem
2580 N
2581 "only the broad classes are shown below; specific type will be found under these, or from the hierarchical list"
2582 ## binary_system
2583 binary_system
2584 D
2585 "binary system"
2586 NT
2587 binary_star
2588 double_galaxy
2589 ## biology
2590 biology
2591 D
2592 "biology"
2593 BT
2594 scientific_field
2595 NT
2596 astrobiology
2597 space_biology
2598 ## bipolar_galaxy
2599 bipolar_galaxy
2600 D
2601 "bipolar galaxy"
2602 BT
2603 galaxy
2604 ## bipolar_group
2605 bipolar_group
2606 D
2607 "bipolar group"
2608 BT
2609 sunspot_group
2610 RT
2611 sunspot
2612 ## bipolar_nebula
2613 bipolar_nebula
2614 D
2615 "bipolar nebula"
2616 BT
2617 nebula
2618 RT
2619 bipolar_outflow
2620 ## bipolar_outflow
2621 bipolar_outflow
2622 ALT
2623 "bipolar flow"
2624 D
2625 "bipolar outflow"
2626 BT
2627 mass-loss
2628 RT
2629 bipolar_nebula
2630 circumstellar_matter
2631 radio_source
2632 radio_structure
2633 ## birth_rate
2634 birth_rate
2635 D
2636 "birth rate"
2637 RT
2638 mass_function
2639 protostar
2640 star_formation
2641 stellar_evolution
2642 ## bismuth
2643 bismuth
2644 ALT
2645 "Bi"
2646 D
2647 "bismuth (atomic number 83)"
2648 BT
2649 fundamental_chemical_element
2650 HN
2651 "FVH: new (2007-OCT-25)"
2652 ## black_body_radiation
2653 black_body_radiation
2654 ALT
2655 "thermal black body radiation"
2656 D
2657 "black body radiation"
2658 BT
2659 electromagnetic_radiation
2660 RT
2661 brightness_temperature
2662 emissivity
2663 thermal_radiation
2664 ultraviolet_radiation
2665 ## black_dwarf
2666 black_dwarf
2667 D
2668 "black dwarf star"
2669 BT
2670 dwarf
2671 low-mass_star
2672 stellar_object
2673 RT
2674 white_dwarf
2675 ## black_hole
2676 black_hole
2677 D
2678 "black hole"
2679 BT
2680 collapsed_star
2681 compact_object
2682 degenerate_matter
2683 relativistic_star
2684 NT
2685 Kerr_black_hole
2686 stellar_black_hole
2687 RT
2688 Hawking_radiation
2689 Kruskal_diagram
2690 Penrose_process
2691 Schwarzschild_radius
2692 X-ray_binary_star
2693 accretion_disk
2694 ergosphere
2695 event_horizon
2696 galactic_nucleus
2697 gravitational_collapse
2698 gravitational_lensing
2699 massive_object
2700 naked_singularity
2701 relativistic_astrophysics
2702 space-time_singularity
2703 supernova_remnant
2704 white_hole
2705 ## blank_field
2706 blank_field
2707 D
2708 "blank field"
2709 RT
2710 galaxy_void
2711 ## blazar
2712 blazar
2713 D
2714 "blazar"
2715 BT
2716 active_galactic_nucleus
2717 RT
2718 BL_Lacertae_object
2719 quasar
2720 ## Blazhko_effect
2721 Blazhko_effect
2722 D
2723 "Blazhko effect"
2724 RT
2725 RR_Lyrae_star
2726 ## BL_Herculis_star
2727 BL_Herculis_star
2728 D
2729 "BL Herculis star"
2730 BT
2731 W_Virginis_star
2732 pulsating_variable_star
2733 RT
2734 Cepheid
2735 RR_Lyrae_star
2736 radial_pulsation
2737 ## blink_comparator
2738 blink_comparator
2739 D
2740 "blink comparator"
2741 BT
2742 instrument
2743 ## blinking
2744 blinking
2745 D
2746 "blinking"
2747 N
2748 "combine with other terms"
2749 ## BL_Lacertae_object
2750 BL_Lacertae_object
2751 ALT
2752 "BL Lac object"
2753 D
2754 "BL Lacertae object"
2755 BT
2756 compact_object
2757 extragalactic_radio_source
2758 galaxy
2759 variable_source
2760 RT
2761 Seyfert_galaxy
2762 active_galactic_nucleus
2763 blazar
2764 compact_galaxy
2765 quasar
2766 ## blue_galaxy
2767 blue_galaxy
2768 D
2769 "blue galaxy"
2770 BT
2771 blue_object
2772 galaxy
2773 ## blue_loop
2774 blue_loop
2775 D
2776 "blue loop"
2777 BT
2778 giant_branch
2779 HN
2780 "ES: new (2007-OCT-8)"
2781 ## blue_object
2782 blue_object
2783 D
2784 "blue object"
2785 NT
2786 blue_galaxy
2787 ## blueshift
2788 blueshift
2789 ALT
2790 "blue shift"
2791 "blue-shift"
2792 D
2793 "blueshift"
2794 BT
2795 Doppler_effect
2796 line_shift
2797 RT
2798 frequency_shift
2799 ## blue_straggler_star
2800 blue_straggler_star
2801 D
2802 "blue straggler star"
2803 BT
2804 main_sequence_star
2805 young_star
2806 RT
2807 open_star_cluster
2808 ## B_magnitude
2809 B_magnitude
2810 D
2811 "B magnitude"
2812 BT
2813 apparent_magnitude
2814 RT
2815 Bessel_photometry
2816 Johnson_photometry
2817 ## Bodes_law
2818 Bodes_law
2819 ALT
2820 "Titius-Bode law"
2821 D
2822 "Bode's law"
2823 RT
2824 Solar_System
2825 distance
2826 planet
2827 ## bohrium
2828 bohrium
2829 ALT
2830 "Bh"
2831 D
2832 "bohrium (atomic number 107)"
2833 BT
2834 fundamental_chemical_element
2835 HN
2836 "FVH: new (2007-OCT-25)"
2837 ## Bok_globule
2838 Bok_globule
2839 D
2840 "Bok globule"
2841 BT
2842 dark_nebula
2843 globule
2844 interstellar_matter
2845 RT
2846 H_II_region
2847 cometary_globule
2848 protostar
2849 star_formation
2850 ## bolide
2851 bolide
2852 D
2853 "bolide"
2854 BT
2855 meteor
2856 RT
2857 fireball
2858 ## bolometer
2859 bolometer
2860 D
2861 "bolometer"
2862 BT
2863 instrument
2864 RT
2865 bolometric_correction
2866 photometer
2867 radiation
2868 radiometer
2869 ## bolometric_correction
2870 bolometric_correction
2871 D
2872 "bolometric correction"
2873 RT
2874 bolometer
2875 ## boron
2876 boron
2877 ALT
2878 "B"
2879 D
2880 "boron (atomic number 5)"
2881 BT
2882 fundamental_chemical_element
2883 HN
2884 "FVH: new (2007-OCT-25)"
2885 ## Bose-Einstein_nucleus
2886 Bose-Einstein_nucleus
2887 D
2888 "Bose-Einstein nucleus"
2889 BT
2890 nucleus_atom
2891 RT
2892 Bose-Einstein_statistics
2893 Fermi-Dirac_nucleus
2894 ## Bose-Einstein_statistics
2895 Bose-Einstein_statistics
2896 D
2897 "Bose-Einstein statistics"
2898 RT
2899 Bose-Einstein_nucleus
2900 Fermi-Dirac_statistics
2901 boson
2902 ## boson
2903 boson
2904 D
2905 "boson"
2906 BT
2907 elementary_particle
2908 particle
2909 NT
2910 alpha_particle
2911 composite_particle
2912 meson
2913 photon
2914 pion
2915 RT
2916 Bose-Einstein_statistics
2917 fermion
2918 hadron
2919 lepton
2920 ## boundary_layer
2921 boundary_layer
2922 D
2923 "boundary layer"
2924 RT
2925 atmosphere
2926 planet
2927 ## bound-free_transition
2928 bound-free_transition
2929 ALT
2930 "bound free transition"
2931 D
2932 "bound-free transition"
2933 RT
2934 absorption_line
2935 absorption_spectrum
2936 ## Bouwers_telescope
2937 Bouwers_telescope
2938 D
2939 "Bouwers telescope"
2940 BT
2941 catadioptric_system
2942 reflecting_telescope
2943 RT
2944 Baker-Nunn_camera
2945 Maksutov_telescope
2946 wide-field_telescope
2947 ## bow_shock
2948 bow_shock
2949 D
2950 "bow-shock"
2951 BT
2952 shock_wave
2953 ## Bp_star
2954 Bp_star
2955 D
2956 "Bp star"
2957 BT
2958 B_star
2959 magnetic_star
2960 peculiar_star
2961 ## Brackett_series
2962 Brackett_series
2963 D
2964 "Brackett series"
2965 BT
2966 hydrogen_spectrum
2967 infrared_radiation
2968 RT
2969 Balmer_series
2970 Lyman_series
2971 Paschen_series
2972 Pfund_series
2973 ## bremsstrahlung
2974 bremsstrahlung
2975 ALT
2976 "free free transition"
2977 "free-free transition"
2978 D
2979 "bremsstrahlung"
2980 BT
2981 electromagnetic_radiation
2982 RT
2983 electron
2984 radiation_mechanism
2985 spectrum
2986 synchrotron_radiation
2987 ## bridge
2988 bridge
2989 D
2990 "bridge"
2991 N
2992 "between galaxy"
2993 ## bright_galaxy
2994 bright_galaxy
2995 D
2996 "bright galaxy"
2997 BT
2998 galaxy
2999 RT
3000 Local_Group
3001 nearby_galaxy
3002 ## bright_nebula
3003 bright_nebula
3004 D
3005 "bright nebula"
3006 BT
3007 nebula
3008 ## bright_point
3009 bright_point
3010 D
3011 "solar bright point"
3012 RT
3013 Sun
3014 HN
3015 "FVH: new (2007-OCT-29)"
3016 ## bright_star
3017 bright_star
3018 D
3019 "bright star"
3020 BT
3021 high-luminosity_star
3022 star
3023 RT
3024 brightness
3025 CN
3026 "FVH: correction from original IAU to reflect flux, not necessarily luminosity (2007-OCT-1)"
3027 ## brightness
3028 brightness
3029 D
3030 "brightness"
3031 BT
3032 optical_property
3033 NT
3034 surface_brightness
3035 RT
3036 bright_star
3037 illumination
3038 integration_time
3039 intensity
3040 luminosity
3041 magnitude
3042 ## brightness_distribution
3043 brightness_distribution
3044 D
3045 "brightness distribution"
3046 N
3047 "see luminosity distribution"
3048 ## brightness_temperature
3049 brightness_temperature
3050 D
3051 "brightness temperature"
3052 BT
3053 temperature
3054 RT
3055 black_body_radiation
3056 luminosity_distribution
3057 optical_property
3058 ## brillouin_scattering
3059 brillouin_scattering
3060 D
3061 "Brillouin scattering"
3062 RT
3063 Mie_scattering
3064 brillouin_spectrum
3065 ## brillouin_spectrum
3066 brillouin_spectrum
3067 D
3068 "Brillouin spectrum"
3069 BT
3070 spectrum
3071 RT
3072 brillouin_scattering
3073 light_scattering
3074 ## broad_band_photometry
3075 broad_band_photometry
3076 ALT
3077 "wide-band photometry"
3078 D
3079 "broad-band photometry"
3080 BT
3081 CCD_photometry
3082 photoelectric_photometry
3083 photographic_photometry
3084 NT
3085 Bessel_photometry
3086 BV_photometry
3087 Cape_photometry
3088 Cape_RI_photometry
3089 Gunn_photometry
3090 HST_photometry
3091 Johnson_photometry
3092 Kron-Cousins_photometry
3093 Sloan_photometry
3094 infrared_photometry
3095 rgb_photometry
3096 rgu_photometry
3097 two-color_photometry
3098 ultraviolet_photometry
3099 RT
3100 medium_band_photometry
3101 narrow_band_photometry
3102 CN
3103 "FVH: added BESSEL_PHOTOMETRY, GUNN_PHOTOMETRY, HST_PHOTOMETRY, KRON_COUSINS_PHOTOMETRY, SLOAN_PHOTOMETRY (2007-SEP-21)"
3104 ## bromine
3105 bromine
3106 ALT
3107 "Br"
3108 D
3109 "bromine (atomic number 35)"
3110 BT
3111 fundamental_chemical_element
3112 HN
3113 "FVH: new (2007-OCT-25)"
3114 ## brown_dwarf
3115 brown_dwarf
3116 D
3117 "brown dwarf"
3118 BT
3119 late-type_dwarf
3120 late-type_subdwarf
3121 stellar_object
3122 NT
3123 L_dwarf
3124 L_subdwarf
3125 T_dwarf
3126 T_subdwarf
3127 RT
3128 dwarf
3129 low-mass_star
3130 planetar
3131 ## B_star
3132 B_star
3133 D
3134 "B star"
3135 BT
3136 OB_star
3137 early-type_star
3138 young_star
3139 NT
3140 53_Persei_star
3141 B_dwarf
3142 B_giant
3143 B_subdwarf
3144 B_supergiant
3145 Be_star
3146 Bp_star
3147 Bw_star
3148 mercury_manganese_star
3149 RT
3150 O_cluster
3151 early-type_variable_star
3152 spectral_type
3153 ## B_subdwarf
3154 B_subdwarf
3155 D
3156 "B subdwarf star"
3157 BT
3158 B_star
3159 subdwarf
3160 ## B_supergiant
3161 B_supergiant
3162 D
3163 "B supergiant star"
3164 BT
3165 B_star
3166 OB_supergiant
3167 early-type_supergiant
3168 supergiant
3169 ## bubble
3170 bubble
3171 D
3172 "bubble"
3173 NT
3174 interstellar_bubble
3175 ## bulge
3176 bulge
3177 D
3178 "bulge"
3179 NT
3180 Galactic_bulge
3181 RT
3182 galaxy_structure
3183 N
3184 "combine with other terms"
3185 ## Burkert_profile
3186 Burkert_profile
3187 D
3188 "Burkert mass-profile"
3189 BT
3190 mass_distribution
3191 RT
3192 Navarro-Frenk-White_profile
3193 exponential_profile
3194 isothermal_sphere
3195 HN
3196 "FVH: new (2007-OCT-5)"
3197 ## burster
3198 burster
3199 D
3200 "burster"
3201 RT
3202 X-ray_burst
3203 burst
3204 gamma-ray_burst
3205 optical_burst
3206 radio_burst
3207 ## burst
3208 burst
3209 D
3210 "burst"
3211 NT
3212 X-ray_burst
3213 gamma-ray_burst
3214 optical_burst
3215 outburst
3216 radio_burst
3217 rapid_burst
3218 RT
3219 burster
3220 flare
3221 ## butterfly_diagram
3222 butterfly_diagram
3223 D
3224 "butterfly diagram"
3225 RT
3226 solar_activity
3227 solar_cycle
3228 sunspot_cycle
3229 sunspot_number
3230 sunspot
3231 ## BV_photometry
3232 BV_photometry
3233 D
3234 "BV photometry"
3235 BT
3236 broad_band_photometry
3237 two-color_photometry
3238 RT
3239 Bessel_photometry
3240 Johnson_photometry
3241 CN
3242 "FVH: added NT BESSEL_PHOTOMETRY, moved TWO-COLOR to BT and JOHNSON to NT (2007-SEP-21)"
3243 ## Bw_star
3244 Bw_star
3245 D
3246 "Bw star"
3247 BT
3248 B_star
3249 helium-poor_star
3250 ## BY_Draconis_star
3251 BY_Draconis_star
3252 D
3253 "BY Draconis star"
3254 BT
3255 flare_star
3256 RT
3257 starspot
3258 ## cadmium
3259 cadmium
3260 ALT
3261 "Cd"
3262 D
3263 "cadmium (atomic number 48)"
3264 BT
3265 fundamental_chemical_element
3266 HN
3267 "FVH: new (2007-OCT-25)"
3268 ## caesium
3269 caesium
3270 ALT
3271 "Cs"
3272 "cesium"
3273 D
3274 "caesium (atomic number 55)"
3275 BT
3276 fundamental_chemical_element
3277 HN
3278 "FVH: new (2007-OCT-25)"
3279 ## Ca_II_emission_line
3280 Ca_II_emission_line
3281 D
3282 "Ca II emission line"
3283 BT
3284 calcium_line
3285 emission_line
3286 metal_line
3287 RT
3288 Wilson-Bappu_effect
3289 ## calcium
3290 calcium
3291 ALT
3292 "Ca"
3293 D
3294 "calcium (atomic number 20)"
3295 BT
3296 fundamental_chemical_element
3297 RT
3298 calcium_line
3299 HN
3300 "FVH: new (2007-OCT-25)"
3301 ## calcium_line
3302 calcium_line
3303 D
3304 "calcium line"
3305 BT
3306 metal_line
3307 spectral_line
3308 NT
3309 Ca_II_emission_line
3310 H_and_K_line
3311 K_line
3312 RT
3313 absorption_line
3314 calcium
3315 ## calendar
3316 calendar
3317 D
3318 "calendar"
3319 NT
3320 Gregorian_calendar
3321 Julian_calendar
3322 RT
3323 ephemeris
3324 time
3325 ## calibration
3326 calibration
3327 D
3328 "calibration"
3329 NT
3330 bias_calibration
3331 dark-current_calibration
3332 dead-time_calibration
3333 linearity_calibration
3334 self-calibration_method
3335 RT
3336 comparison_lamp
3337 flat_field_lamp
3338 instrument
3339 lamp
3340 measuring_instrument
3341 reseaux
3342 N
3343 "combine with other terms"
3344 ## californium
3345 californium
3346 ALT
3347 "Cf"
3348 D
3349 "californium (atomic number 98)"
3350 BT
3351 fundamental_chemical_element
3352 HN
3353 "FVH: new (2007-OCT-25)"
3354 ## camera_lens
3355 camera_lens
3356 D
3357 "camera lens"
3358 BT
3359 lens
3360 RT
3361 camera
3362 ## camera
3363 camera
3364 D
3365 "camera"
3366 BT
3367 optical_instrument
3368 photographic_instrument
3369 NT
3370 Schmidt_camera
3371 all-sky_camera
3372 astrographic_camera
3373 ultraviolet_camera
3374 webcam
3375 RT
3376 all-sky_photography
3377 camera_lens
3378 coronagraph
3379 filter_wheel
3380 flat_field_lamp
3381 photograph
3382 photography
3383 shutter
3384 ultraviolet_photography
3385 wide-angle_lens
3386 N
3387 "photographic type only here"
3388 ## canyon
3389 canyon
3390 D
3391 "canyon"
3392 BT
3393 surface_of_celestial_body
3394 HN
3395 "FVH: new (2007-OCT-3)"
3396 ## Cape_photometry
3397 Cape_photometry
3398 ALT
3399 "UCBV photometry"
3400 D
3401 "Cape photometry"
3402 BT
3403 broad_band_photometry
3404 photometric_system
3405 RT
3406 Cape_RI_photometry
3407 Johnson_photometry
3408 Kapteyn_selected_area
3409 ## Cape_RI_photometry
3410 Cape_RI_photometry
3411 D
3412 "Cape RI photometry"
3413 BT
3414 broad_band_photometry
3415 RT
3416 Cape_photometry
3417 Johnson_photometry
3418 ## capture
3419 capture
3420 D
3421 "capture"
3422 RT
3423 absorption
3424 N
3425 "combine with other terms"
3426 ## carbonaceous_chondrite
3427 carbonaceous_chondrite
3428 D
3429 "carbonaceous chondrite"
3430 BT
3431 chondrite
3432 ## carbon_burning
3433 carbon_burning
3434 D
3435 "carbon burning"
3436 BT
3437 nuclear_fusion
3438 nucleosynthesis
3439 RT
3440 carbon
3441 carbon_flash
3442 giant
3443 helium_burning
3444 hydrogen_burning
3445 nuclear_reaction
3446 oxygen_burning
3447 shell_burning
3448 silicon_burning
3449 stellar_evolution
3450 stellar_interior
3451 ## carbon
3452 carbon
3453 ALT
3454 "C"
3455 D
3456 "carbon (atomic number 6)"
3457 BT
3458 fundamental_chemical_element
3459 RT
3460 carbon_burning
3461 carbon_compound
3462 carbon_nitrogen_cycle
3463 HN
3464 "FVH: new (2007-OCT-25)"
3465 ## carbon_compound
3466 carbon_compound
3467 D
3468 "carbon compound"
3469 BT
3470 interstellar_molecule
3471 NT
3472 CS
3473 carbon_dioxide
3474 carbon_disulfide
3475 carbon_monosulfide
3476 carbon_monoxide
3477 cyanoacetylene
3478 cyanodiacetylene
3479 cyanogen
3480 cyanopolyene
3481 hydrated_carbon
3482 RT
3483 carbon
3484 ## carbon_dioxide
3485 carbon_dioxide
3486 ALT
3487 "CO2"
3488 "CO_2"
3489 D
3490 "carbon dioxide"
3491 BT
3492 carbon_compound
3493 gas
3494 ## carbon_disulfide
3495 carbon_disulfide
3496 D
3497 "carbon disulfide"
3498 BT
3499 carbon_compound
3500 ## carbon_flash
3501 carbon_flash
3502 ALT
3503 "carbon detonation"
3504 D
3505 "carbon flash"
3506 RT
3507 carbon_burning
3508 helium_flash
3509 nuclear_fusion
3510 red_giant_tip
3511 ## carbon_line
3512 carbon_line
3513 D
3514 "carbon line"
3515 BT
3516 metal_line
3517 spectral_line
3518 NT
3519 C_I_emission
3520 ## carbon_monosulfide
3521 carbon_monosulfide
3522 ALT
3523 "CS"
3524 D
3525 "carbon monosulfide"
3526 BT
3527 carbon_compound
3528 ## carbon_monoxide
3529 carbon_monoxide
3530 ALT
3531 "CO"
3532 D
3533 "carbon monoxide"
3534 BT
3535 carbon_compound
3536 gas
3537 RT
3538 Swan_band
3539 ## carbon_nitrogen_cycle
3540 carbon_nitrogen_cycle
3541 ALT
3542 "CNO cycle"
3543 "carbon cycle"
3544 D
3545 "carbon nitrogen cycle"
3546 BT
3547 hydrogen_burning
3548 RT
3549 CNO_anomaly
3550 carbon
3551 nitrogen
3552 nuclear_fusion
3553 proton-proton_reaction
3554 stellar_interior
3555 ## carbon_star
3556 carbon_star
3557 ALT
3558 "C star"
3559 D
3560 "carbon star"
3561 BT
3562 late-type_giant
3563 RT
3564 CH_star
3565 CN_star
3566 R_star
3567 S_star
3568 Wolf-Rayet_star
3569 ## Cassegrain_antenna
3570 Cassegrain_antenna
3571 ALT
3572 "Cassegrain antennas"
3573 "two reflector antennas"
3574 "two-reflector antennas"
3575 D
3576 "Cassegrain antenna"
3577 BT
3578 antenna
3579 radio_telescope
3580 RT
3581 secondary_mirror
3582 subreflector
3583 ## Cassegrain_focus
3584 Cassegrain_focus
3585 D
3586 "Cassegrain focus"
3587 BT
3588 Cassegrain_telescope
3589 focus
3590 RT
3591 Coude_focus
3592 Nasmyth_focus
3593 Newtonian_focus
3594 parabolic_antenna
3595 prime_focus
3596 secondary_mirror
3597 subreflector
3598 ## Cassegrain_telescope
3599 Cassegrain_telescope
3600 D
3601 "Cassegrain telescope"
3602 BT
3603 telescope
3604 NT
3605 Cassegrain_focus
3606 ## cataclysmic_variable_star
3607 cataclysmic_variable_star
3608 ALT
3609 "CV"
3610 "cataclysmic binary star"
3611 "eruptive variable star"
3612 D
3613 "cataclysmic variable star"
3614 BT
3615 X-ray_binary_star
3616 close_binary_star
3617 eruptive_binary_star
3618 interacting_binary_star
3619 variable_star
3620 NT
3621 AM_Herculis_star
3622 SX_Arietis_star
3623 UV_Persei_star
3624 dwarf_nova
3625 nova-like_variable
3626 classical_nova
3627 RT
3628 eruption
3629 low-mass_X-ray_binary_star
3630 mass_exchange
3631 mass-loss
3632 optical_outburst
3633 supernova
3634 symbiotic_star
3635 white_dwarf
3636 ## catadioptric_system
3637 catadioptric_system
3638 D
3639 "catadioptric system"
3640 BT
3641 optical_system
3642 NT
3643 Baker-Nunn_camera
3644 Bouwers_telescope
3645 Maksutov_telescope
3646 Schmidt_telescope
3647 RT
3648 corrector_plate
3649 field_corrector
3650 lens
3651 mirror
3652 optical_telescope
3653 ## catalog
3654 catalog
3655 ALT
3656 "catalogues UK"
3657 D
3658 "catalog"
3659 NT
3660 Henry_Draper_catalog
3661 astrographic_catalog
3662 radio_source_catalog
3663 RT
3664 FK_catalog_system
3665 atlas
3666 ephemeris
3667 finding_list
3668 fundamental_star
3669 map
3670 nomenclature
3671 sky_survey
3672 survey
3673 ultraviolet_survey
3674 N
3675 "e.g. radio, star, x ray, etc.; combine with other terms"
3676 ## catastrophe_theory
3677 catastrophe_theory
3678 D
3679 "catastrophe theory"
3680 RT
3681 mathematical_analysis
3682 ## cathode
3683 cathode
3684 D
3685 "cathode"
3686 BT
3687 electrode
3688 NT
3689 photocathode
3690 RT
3691 photomultiplier_tube
3692 quantum_efficiency
3693 thermionic_emission
3694 ## catoptric_system
3695 catoptric_system
3696 D
3697 "catoptric system"
3698 BT
3699 optical_system
3700 RT
3701 mirror
3702 optical_telescope
3703 ## caustic_crossing
3704 caustic_crossing
3705 D
3706 "caustic crossing"
3707 RT
3708 caustic
3709 cusp_crossing
3710 cusp
3711 gravitational_lensing
3712 HN
3713 "FVH: new (2007-OCT-8)"
3714 ## caustic
3715 caustic
3716 D
3717 "caustic"
3718 RT
3719 caustic_crossing
3720 cusp_crossing
3721 gravitational_lensing
3722 HN
3723 "FVH: new (2007-OCT-8)"
3724 ## CCD_detector
3725 CCD_detector
3726 ALT
3727 "CCD camera"
3728 D
3729 "CCD detector"
3730 BT
3731 multi-channel_detector
3732 two-dimensional_detector
3733 RT
3734 CCD_observation
3735 CCD_photometry
3736 bias_calibration
3737 charge-coupled_device
3738 dark-current_calibration
3739 photometer
3740 television_detector
3741 ## CCD_observation
3742 CCD_observation
3743 D
3744 "CCD observation"
3745 BT
3746 observation
3747 RT
3748 CCD_detector
3749 CCD_photometry
3750 charge-coupled_device
3751 ## CCD_photometry
3752 CCD_photometry
3753 D
3754 "CCD photometry"
3755 BT
3756 photometry
3757 NT
3758 broad_band_photometry
3759 medium_band_photometry
3760 narrow_band_photometry
3761 RT
3762 CCD_detector
3763 CCD_observation
3764 charge-coupled_device
3765 photoelectric_photometry
3766 photographic_photometry
3767 ## cD_galaxy
3768 cD_galaxy
3769 D
3770 "cD galaxy (compact D galaxy in the Yerkes classification scheme)"
3771 BT
3772 D_galaxy
3773 elliptical_galaxy
3774 giant_galaxy
3775 massive_galaxy
3776 RT
3777 Yerkes_classification
3778 galaxy_cluster
3779 giant_radio_galaxy
3780 nucleus_celestial_object
3781 ## celestial_coordinate_system
3782 celestial_coordinate_system
3783 D
3784 "celestial coordinate system"
3785 BT
3786 coordinate_system
3787 NT
3788 Galactic_coordinate_system
3789 ecliptic_coordinate_system
3790 equatorial_coordinate_system
3791 supergalactic_coordinate_system
3792 HN
3793 "FVH: new (2007-NOV-2)"
3794 ## celestial_equator
3795 celestial_equator
3796 D
3797 "celestial equator"
3798 BT
3799 equatorial_coordinate_system
3800 RT
3801 Declination
3802 Right_Ascension
3803 celestial_pole
3804 celestial_sphere
3805 equator_correction
3806 equator_determination
3807 equator_position
3808 equinox
3809 obliquity_of_ecliptic
3810 ## celestial_mechanics
3811 celestial_mechanics
3812 D
3813 "celestial mechanics"
3814 BT
3815 scientific_field
3816 RT
3817 Keplerian_orbit
3818 Lagrangian_point
3819 N-body_problem
3820 angular_velocity
3821 astrodynamics
3822 astrometry
3823 astronomical_constant
3824 gravitation
3825 gravitational_wave
3826 lunar_theory
3827 orbital_element
3828 orbital_evolution
3829 orbital_motion
3830 orbital_theory
3831 orbit
3832 osculatory_element
3833 perturbation
3834 perturbation_theory
3835 planetary_alignment
3836 planetary_theory
3837 precession
3838 three-body_problem
3839 two-body_problem
3840 ## celestial_pole
3841 celestial_pole
3842 D
3843 "celestial pole"
3844 BT
3845 equatorial_coordinate_system
3846 pole
3847 NT
3848 North_Celestial_Pole
3849 South_Celestial_Pole
3850 RT
3851 celestial_equator
3852 celestial_sphere
3853 equator
3854 polar_axis
3855 ## celestial_sphere
3856 celestial_sphere
3857 D
3858 "celestial sphere"
3859 RT
3860 celestial_equator
3861 celestial_pole
3862 horizon
3863 meridian
3864 zenith
3865 ## celsius_temperature_scale
3866 celsius_temperature_scale
3867 D
3868 "Celsius temperature scale"
3869 BT
3870 temperature_scale
3871 RT
3872 Kelvin
3873 absolute_temperature_scale
3874 temperature
3875 ## center
3876 center
3877 D
3878 "center"
3879 N
3880 "combine with other terms"
3881 ## center_of_mass
3882 center_of_mass
3883 D
3884 "center of mass"
3885 BT
3886 orbital_element
3887 RT
3888 binary_star
3889 pericenter
3890 planet
3891 ## central_star
3892 central_star
3893 D
3894 "central star"
3895 BT
3896 star
3897 RT
3898 planetary_nebula
3899 ## centrifugal_force
3900 centrifugal_force
3901 D
3902 "centrifugal force"
3903 BT
3904 force
3905 RT
3906 centripetal_force
3907 ## centripetal_force
3908 centripetal_force
3909 D
3910 "centripetal force"
3911 BT
3912 force
3913 RT
3914 centrifugal_force
3915 ## Cepheid_distance
3916 Cepheid_distance
3917 D
3918 "Cepheid distance"
3919 BT
3920 distance_measurement
3921 RT
3922 Cepheid
3923 HN
3924 "ES: new (2007-OCT-8)"
3925 ## Cepheid
3926 Cepheid
3927 ALT
3928 "Cepheid variable star"
3929 "bump Cepheid"
3930 "classical Cepheid"
3931 "delta Cephei star"
3932 D
3933 "Cepheid"
3934 BT
3935 pulsating_variable_star
3936 NT
3937 double-mode_Cepheid
3938 young_disk_Cepheid
3939 RT
3940 Baade-Wesselink_method
3941 BL_Herculis_star
3942 Cepheid_distance
3943 He_II_ionization_zone
3944 RR_Lyrae_star
3945 W_Virginis_star
3946 dwarf_Cepheid
3947 instability_strip
3948 kappa_mechanism
3949 period-age_relation
3950 period-color_relation
3951 period-luminosity-color_relation
3952 period-luminosity_relation
3953 period-radius_relation
3954 period-spectrum_relation
3955 radial_pulsation
3956 radius-luminosity_relation
3957 N
3958 "most commonly used term"
3959 ## Cerenkov_counter
3960 Cerenkov_counter
3961 ALT
3962 "Cherenkov counter"
3963 D
3964 "Cerenkov counter"
3965 BT
3966 scintillation_counter
3967 RT
3968 Cerenkov_radiation
3969 cosmic_ray
3970 N
3971 "American spelling"
3972 ## Cerenkov_radiation
3973 Cerenkov_radiation
3974 ALT
3975 "Cerenkov effect"
3976 D
3977 "Cerenkov radiation"
3978 BT
3979 electromagnetic_radiation
3980 radiation
3981 RT
3982 Cerenkov_counter
3983 cosmic_ray
3984 gamma-ray_radiation
3985 nuclear_radiation
3986 radiation_mechanism
3987 ultraviolet_radiation
3988 N
3989 "American spelling"
3990 ## Ceres
3991 Ceres
3992 D
3993 "Ceres"
3994 BT
3995 dwarf_planet
3996 RT
3997 Solar_System
3998 HN
3999 "FVH: new (2007-OCT-2)"
4000 ## cerium
4001 cerium
4002 ALT
4003 "Ce"
4004 D
4005 "cerium (atomic number 58)"
4006 BT
4007 fundamental_chemical_element
4008 rare_earth
4009 HN
4010 "FVH: new (2007-OCT-25)"
4011 ## Chandler_wobble
4012 Chandler_wobble
4013 ALT
4014 "polar wandering"
4015 D
4016 "Chandler wobble"
4017 RT
4018 Earth_rotation
4019 latitude_determination
4020 latitude_variation
4021 polar_motion
4022 ## Chandrasekhar_mass
4023 Chandrasekhar_mass
4024 D
4025 "Chandrasekhar limit"
4026 "Chandrasekhar limit; the mass-limit for a degenerate stellar object"
4027 BT
4028 mass
4029 RT
4030 gravitational_collapse
4031 hydrogen_burning
4032 mass-radius_relation
4033 stellar_interior
4034 white_dwarf
4035 ## Chandrasekhar-Schoenberg_limit
4036 Chandrasekhar-Schoenberg_limit
4037 ALT
4038 "Chandrasekhar-Schonberg limit"
4039 "Schoenberg-Chandrasekhar limit"
4040 "Schonberg-Chandrasekhar limit"
4041 D
4042 "Chandrasekhar-Schoenberg limit; the mass-limit for an isothermal stellar core"
4043 BT
4044 mass
4045 RT
4046 gravitational_collapse
4047 hydrogen_burning
4048 mass-radius_relation
4049 stellar_interior
4050 ## charge-coupled_device
4051 charge-coupled_device
4052 ALT
4053 "CCD"
4054 "charge coupled device"
4055 D
4056 "charge-coupled device"
4057 BT
4058 photoelectronic_device
4059 semiconductor_device
4060 RT
4061 CCD_detector
4062 CCD_observation
4063 CCD_photometry
4064 detector
4065 multi-channel_detector
4066 quantum_efficiency
4067 read_out_noise
4068 two-dimensional_detector
4069 CN
4070 "FVH: added RT READ_OUT_NOISE (2007-SEP-21)"
4071 N
4072 "use abbreviated form (CCD) when combined with other terms"
4073 ## charge-injection_device
4074 charge-injection_device
4075 ALT
4076 "CID"
4077 "charge injection device"
4078 D
4079 "charge-injection device"
4080 BT
4081 photoelectronic_device
4082 semiconductor_device
4083 RT
4084 detector
4085 two-dimensional_detector
4086 ## charge-transfer_device
4087 charge-transfer_device
4088 ALT
4089 "CCD"
4090 "charge transfer device"
4091 D
4092 "charge-transfer device"
4093 BT
4094 photoelectronic_device
4095 semiconductor_device
4096 RT
4097 detector
4098 two-dimensional_detector
4099 ## chemical_composition
4100 chemical_composition
4101 D
4102 "chemical composition"
4103 RT
4104 abundance
4105 peculiar_star
4106 ## chemical_element
4107 chemical_element
4108 D
4109 "chemical element"
4110 NT
4111 fundamental_chemical_element
4112 heavy_element
4113 isotope
4114 trace_element
4115 RT
4116 abundance
4117 atom
4118 curve_of_growth
4119 element_formation
4120 metal_abundance
4121 origin
4122 N
4123 "see appendix"
4124 ## chemical_evolution
4125 chemical_evolution
4126 D
4127 "chemical evolution"
4128 NT
4129 enrichment
4130 RT
4131 abundance
4132 stellar_evolution
4133 ## chemiluminescence
4134 chemiluminescence
4135 D
4136 "chemiluminescence"
4137 BT
4138 luminescence
4139 RT
4140 light_emission
4141 ## chemistry
4142 chemistry
4143 D
4144 "chemistry"
4145 BT
4146 scientific_field
4147 NT
4148 cosmochemistry
4149 ## chlorine
4150 chlorine
4151 ALT
4152 "Cl"
4153 D
4154 "chlorine (atomic number 17)"
4155 BT
4156 fundamental_chemical_element
4157 HN
4158 "FVH: new (2007-OCT-25)"
4159 ## chondrite
4160 chondrite
4161 D
4162 "chondrite"
4163 BT
4164 meteorite
4165 NT
4166 achondrite
4167 carbonaceous_chondrite
4168 chondrules
4169 RT
4170 australite
4171 bediasite
4172 moldavite
4173 ## chondrules
4174 chondrules
4175 D
4176 "chondrules"
4177 BT
4178 chondrite
4179 ## chromatic_aberration
4180 chromatic_aberration
4181 D
4182 "chromatic aberration"
4183 BT
4184 optical_aberration
4185 RT
4186 astigmatism
4187 comatic_aberration
4188 distortion
4189 field_curvature
4190 optical_system
4191 spherical_aberration
4192 ## chromium
4193 chromium
4194 ALT
4195 "Cr"
4196 D
4197 "chromium (atomic number 24)"
4198 BT
4199 fundamental_chemical_element
4200 HN
4201 "FVH: new (2007-OCT-25)"
4202 ## chromosphere
4203 chromosphere
4204 D
4205 "chromosphere"
4206 RT
4207 Sun
4208 coronal_loop
4209 facula
4210 fibrill
4211 flash_spectrum
4212 macro_spicule
4213 mottle
4214 photosphere
4215 plage
4216 prominence
4217 quiescent_prominence
4218 solar_atmosphere
4219 solar_filament
4220 spicule
4221 stellar_atmosphere
4222 stellar_wind
4223 transition_region
4224 ## chronometer
4225 chronometer
4226 ALT
4227 "chronograph"
4228 D
4229 "chronometer"
4230 BT
4231 clock
4232 measuring_instrument
4233 RT
4234 time
4235 ## CH_star
4236 CH_star
4237 D
4238 "CH star"
4239 BT
4240 giant
4241 RT
4242 carbon_star
4243 ## C_I_emission
4244 C_I_emission
4245 D
4246 "C I emission"
4247 BT
4248 carbon_line
4249 emission_spectrum
4250 ## C_II_region
4251 C_II_region
4252 D
4253 "C II region"
4254 BT
4255 interstellar_matter
4256 RT
4257 dark_cloud
4258 ## circular_orbit
4259 circular_orbit
4260 D
4261 "circular orbit"
4262 BT
4263 elliptical_orbit
4264 RT
4265 hyperbolic_orbit
4266 orbital_motion
4267 parabolic_orbit
4268 ## circular_polarization
4269 circular_polarization
4270 ALT
4271 "circular polarisation UK"
4272 D
4273 "circular polarization"
4274 BT
4275 light_polarization
4276 RT
4277 plane_polarization
4278 quarter_wave_plate
4279 CN
4280 "FVH: added RT QUARTER_WAVE_PLATES (2007-SEP-21)"
4281 ## circumplanetary_matter
4282 circumplanetary_matter
4283 D
4284 "circumplanetary matter"
4285 BT
4286 matter
4287 RT
4288 circumstellar_matter
4289 ## circumstellar_disk
4290 circumstellar_disk
4291 D
4292 "circumstellar discs" UK
4293 "circumstellar disk"
4294 BT
4295 disk
4296 rotating_body
4297 RT
4298 accretion_disk
4299 circumstellar_gas
4300 circumstellar_matter
4301 mass-loss
4302 torus
4303 ## circumstellar_dust
4304 circumstellar_dust
4305 D
4306 "circumstellar dust"
4307 BT
4308 circumstellar_grain
4309 circumstellar_matter
4310 RT
4311 R_Coronae_Borealis_star
4312 circumstellar_gas
4313 cocoon_star
4314 dust_shell
4315 ## circumstellar_envelope
4316 circumstellar_envelope
4317 ALT
4318 "stellar envelope"
4319 D
4320 "circumstellar envelope"
4321 BT
4322 circumstellar_matter
4323 NT
4324 expanding_envelope
4325 RT
4326 Wolf-Rayet_star
4327 circumstellar_gas
4328 circumstellar_shell
4329 mass-loss
4330 ## circumstellar_gas
4331 circumstellar_gas
4332 D
4333 "circumstellar gas"
4334 BT
4335 circumstellar_matter
4336 RT
4337 circumstellar_disk
4338 circumstellar_dust
4339 circumstellar_envelope
4340 circumstellar_grain
4341 circumstellar_shell
4342 ## circumstellar_grain
4343 circumstellar_grain
4344 D
4345 "circumstellar grain"
4346 BT
4347 circumstellar_matter
4348 NT
4349 circumstellar_dust
4350 RT
4351 R_Coronae_Borealis_star
4352 circumstellar_gas
4353 ## circumstellar_matter
4354 circumstellar_matter
4355 ALT
4356 "circumstellar cloud"
4357 "stellar envelope"
4358 D
4359 "circumstellar matter"
4360 BT
4361 matter
4362 NT
4363 circumstellar_dust
4364 circumstellar_envelope
4365 circumstellar_gas
4366 circumstellar_grain
4367 RT
4368 circumstellar_disk
4369 bipolar_outflow
4370 circumplanetary_matter
4371 circumstellar_disk
4372 circumstellar_shell
4373 corona
4374 expanding_envelope
4375 gravitating_disk
4376 interplanetary_matter
4377 interstellar_matter
4378 mass-loss
4379 ## circumstellar_shell
4380 circumstellar_shell
4381 ALT
4382 "stellar envelope"
4383 D
4384 "circumstellar shell"
4385 BT
4386 shell
4387 NT
4388 dust_shell
4389 rotating_shell
4390 RT
4391 Be_star
4392 circumstellar_envelope
4393 circumstellar_gas
4394 circumstellar_matter
4395 extreme_carbon_star
4396 mass-loss
4397 shell_star
4398 stellar_wind
4399 ## civil_time
4400 civil_time
4401 D
4402 "civil time"
4403 BT
4404 time
4405 RT
4406 Universal_Time
4407 ephemeris_time
4408 mean_solar_time
4409 sidereal_time
4410 ## classical_nova
4411 classical_nova
4412 ALT
4413 "nova"
4414 D
4415 "classical nova"
4416 BT
4417 cataclysmic_variable_star
4418 nova
4419 HN
4420 "FVH: new (2007-NOV-15)"
4421 ## classical_T_Tauri_star
4422 classical_T_Tauri_star
4423 ALT
4424 "CTTS"
4425 D
4426 "classical T Tauri star"
4427 BT
4428 T_Tauri_star
4429 HN
4430 "FVH: new (2007-SEP-24)"
4431 ## classification
4432 classification
4433 D
4434 "classification"
4435 NT
4436 luminosity_classification
4437 spectral_classification
4438 RT
4439 morphology
4440 nomenclature
4441 taxonomy
4442 N
4443 "combine with other terms"
4444 ## clean_method
4445 clean_method
4446 D
4447 "clean method"
4448 RT
4449 data_processing
4450 image_processing
4451 image_reconstruction
4452 radio_astronomy
4453 ## clock
4454 clock
4455 D
4456 "clock"
4457 BT
4458 measuring_instrument
4459 timing_equipment
4460 NT
4461 atomic_clock
4462 chronometer
4463 RT
4464 time
4465 time_standard
4466 ## close_binary_star
4467 close_binary_star
4468 D
4469 "close binary star"
4470 BT
4471 binary_star
4472 NT
4473 Z_Andromedae_star
4474 beta_Lyrae_star
4475 cataclysmic_variable_star
4476 ellipsoidal_variable_star
4477 semi-detached_binary_star
4478 RT
4479 Roche_limit
4480 Roche_lobe
4481 X-ray_bright_point
4482 accretion_disk
4483 contact_binary_star
4484 synchronous_rotation
4485 tidal_friction
4486 ## closed_universe
4487 closed_universe
4488 D
4489 "closed universe"
4490 BT
4491 cosmology
4492 RT
4493 Big_Bang_theory
4494 open_universe
4495 steady-state_theory
4496 ## close_encounter
4497 close_encounter
4498 D
4499 "close encounter"
4500 RT
4501 stellar_dynamics
4502 ## cloud_monitor
4503 cloud_monitor
4504 D
4505 "cloud monitor"
4506 BT
4507 all-sky_camera
4508 RT
4509 Earth_atmosphere
4510 cloud
4511 HN
4512 "FVH: new (2007-SEP-21)"
4513 ## cloud
4514 cloud
4515 D
4516 "cloud"
4517 NT
4518 collapsing_cloud
4519 dust_cloud
4520 gas_cloud
4521 high-velocity_cloud
4522 noctilucent_cloud
4523 plasma_cloud
4524 RT
4525 Earth_atmosphere
4526 cloud_monitor
4527 N
4528 "combine with other terms"
4529 ## clumping
4530 clumping
4531 D
4532 "clumping"
4533 N
4534 "combine with other terms"
4535 ## clustering
4536 clustering
4537 D
4538 "clustering"
4539 RT
4540 galaxy_cluster
4541 star_cluster
4542 N
4543 "combine with other terms"
4544 ## cluster
4545 cluster
4546 D
4547 "cluster"
4548 NT
4549 galaxy_cluster
4550 protocluster
4551 star_cluster
4552 ## CNO_anomaly
4553 CNO_anomaly
4554 D
4555 "CNO anomaly"
4556 BT
4557 anomaly
4558 RT
4559 abundance
4560 abundance_ratio
4561 carbon_nitrogen_cycle
4562 metal_abundance
4563 ## CN_star
4564 CN_star
4565 D
4566 "cn star"
4567 BT
4568 giant
4569 RT
4570 carbon_star
4571 N
4572 "carbon-nitrogen star"
4573 ## coating
4574 coating
4575 D
4576 "coating"
4577 NT
4578 aluminum_coating
4579 antireflection_coating
4580 silver_coating
4581 RT
4582 lens
4583 mirror
4584 thin_film
4585 vapor_deposition
4586 N
4587 "combine with other terms"
4588 ## cobalt
4589 cobalt
4590 ALT
4591 "Co"
4592 D
4593 "cobalt (atomic number 27)"
4594 BT
4595 fundamental_chemical_element
4596 RT
4597 magnetic_star
4598 HN
4599 "FVH: new (2007-OCT-25)"
4600 ## cocoon_star
4601 cocoon_star
4602 D
4603 "cocoon star"
4604 BT
4605 infrared_source
4606 RT
4607 circumstellar_dust
4608 ## coelostat
4609 coelostat
4610 D
4611 "coelostat"
4612 BT
4613 reflecting_telescope
4614 NT
4615 heliostat
4616 RT
4617 drive
4618 siderostat
4619 telescope_mounting
4620 ## coherence
4621 coherence
4622 D
4623 "coherence"
4624 NT
4625 light_coherence
4626 RT
4627 laser
4628 maser
4629 N
4630 "combine with other terms"
4631 ## cold_Dark_Matter
4632 cold_Dark_Matter
4633 D
4634 "cold Dark Matter"
4635 BT
4636 Dark_Matter
4637 RT
4638 Dark_Energy
4639 baryonic_Dark_Matter
4640 cosmology
4641 CN
4642 "FVH: added RT DARK_ENERGY (2007-SEP-21)"
4643 ## collapse
4644 collapse
4645 D
4646 "collapse"
4647 NT
4648 gravitational_collapse
4649 N
4650 "combine with other terms"
4651 ## collapsed_star
4652 collapsed_star
4653 ALT
4654 "collapsed object"
4655 "collapsing star"
4656 D
4657 "collapsed star"
4658 BT
4659 star
4660 NT
4661 black_hole
4662 neutron_star
4663 pulsar
4664 stellar_black_hole
4665 RT
4666 degenerate_star
4667 stellar_evolution
4668 white_dwarf
4669 ## collapsing_cloud
4670 collapsing_cloud
4671 D
4672 "collapsing cloud"
4673 BT
4674 cloud
4675 NT
4676 protoplanetary_nebula
4677 RT
4678 protocluster
4679 protogalaxy
4680 protostar
4681 ## collimation
4682 collimation
4683 D
4684 "collimation"
4685 RT
4686 adjustment
4687 alignment_optics
4688 correction
4689 optics
4690 orientation
4691 ## collimator
4692 collimator
4693 D
4694 "collimator"
4695 RT
4696 beam_waveguide
4697 lens
4698 mirror
4699 optical_instrument
4700 ## collisional_excitation
4701 collisional_excitation
4702 D
4703 "collisional excitation"
4704 BT
4705 collision_process
4706 RT
4707 collision_broadening
4708 collision_spectroscopy
4709 collision_strength
4710 ionized_gas
4711 ion
4712 spectroscopy
4713 ## collisional_plasma
4714 collisional_plasma
4715 D
4716 "collisional plasma"
4717 BT
4718 plasma
4719 RT
4720 collision_process
4721 ion
4722 shock
4723 ## collision_broadening
4724 collision_broadening
4725 D
4726 "collision broadening"
4727 BT
4728 collision_process
4729 line_broadening
4730 RT
4731 collision_spectroscopy
4732 collision_strength
4733 collisional_excitation
4734 spectroscopic_analysis
4735 ## collision_process
4736 collision_process
4737 D
4738 "collision process"
4739 NT
4740 collision_broadening
4741 collisional_excitation
4742 RT
4743 collision_strength
4744 collisional_plasma
4745 ## collision
4746 collision
4747 D
4748 "collision"
4749 RT
4750 galaxy
4751 meteorite
4752 planet
4753 N
4754 "combine with other terms"
4755 ## collision_spectroscopy
4756 collision_spectroscopy
4757 D
4758 "collision spectroscopy"
4759 BT
4760 spectroscopy
4761 RT
4762 collision_broadening
4763 collision_strength
4764 collisional_excitation
4765 ## collision_strength
4766 collision_strength
4767 D
4768 "collision strength"
4769 RT
4770 collision_broadening
4771 collision_process
4772 collision_spectroscopy
4773 collisional_excitation
4774 ## color
4775 color
4776 D
4777 "color"
4778 BT
4779 optical_property
4780 RT
4781 color_equation
4782 color_excess
4783 color-luminosity_relation
4784 color-magnitude_relation
4785 color_photography
4786 color-redshift_relation
4787 colorimetry
4788 electromagnetic_radiation
4789 photometry
4790 spectrophotometry
4791 temperature
4792 visible_radiation
4793 ## color_equation
4794 color_equation
4795 D
4796 "color equation"
4797 RT
4798 color
4799 photometry
4800 ## color_excess
4801 color_excess
4802 D
4803 "color excess"
4804 RT
4805 color
4806 interstellar_reddening
4807 photometry
4808 ## colorimetry
4809 colorimetry
4810 D
4811 "colorimetry"
4812 RT
4813 color
4814 ## color_index
4815 color_index
4816 D
4817 "color index"
4818 RT
4819 intrinsic_color
4820 photometry
4821 two-color_diagram
4822 ## color-luminosity_relation
4823 color-luminosity_relation
4824 ALT
4825 "color luminosity relation"
4826 D
4827 "color-luminosity relation"
4828 RT
4829 Hertzsprung-Russell_diagram
4830 color
4831 photometry
4832 ## color-magnitude_relation
4833 color-magnitude_relation
4834 ALT
4835 "c m diagram"
4836 "c m relation"
4837 "c-m diagram"
4838 "c-m relation"
4839 "color magnitude relation"
4840 "color-magnitude diagram"
4841 D
4842 "color-magnitude relation"
4843 RT
4844 Hertzsprung-Russell_diagram
4845 color
4846 photometry
4847 ## color_photography
4848 color_photography
4849 D
4850 "color photography"
4851 BT
4852 photography
4853 RT
4854 color
4855 ## color-redshift_relation
4856 color-redshift_relation
4857 ALT
4858 "color redshift relation"
4859 D
4860 "color-redshift relation"
4861 RT
4862 color
4863 cosmology
4864 observational_cosmology
4865 ## color_vision
4866 color_vision
4867 D
4868 "color vision"
4869 BT
4870 vision
4871 RT
4872 dark_adaption
4873 ## comatic_aberration
4874 comatic_aberration
4875 D
4876 "comatic aberration (coma)"
4877 ALT
4878 "coma"
4879 BT
4880 optical_aberration
4881 RT
4882 astigmatism
4883 chromatic_aberration
4884 distortion
4885 field_curvature
4886 optical_system
4887 spherical_aberration
4888 CN
4889 "FVH: renamed after general conversion to singular (2007-11-27)"
4890 ## coma
4891 coma
4892 D
4893 "coma"
4894 RT
4895 comet
4896 galaxy
4897 ## cometary_globule
4898 cometary_globule
4899 D
4900 "cometary globule"
4901 BT
4902 dark_nebula
4903 globule
4904 interstellar_matter
4905 RT
4906 Bok_globule
4907 H_II_region
4908 protostar
4909 star_formation
4910 HN
4911 "FVH: new (2007-SEP-21)"
4912 ## comet
4913 comet
4914 D
4915 "comet"
4916 BT
4917 rotating_body
4918 NT
4919 Kreutz_sungrazer
4920 aperiodic_comet
4921 long_period_comet
4922 periodic_comet
4923 RT
4924 Oort_cloud
4925 Solar_System
4926 coma
4927 dirty_snowball_theory
4928 dust
4929 envelope
4930 halo
4931 interplanetary_matter
4932 jet
4933 meteor_stream
4934 meteorite
4935 meteoroid_dust_cloud
4936 meteoroid
4937 nucleus_celestial_object
4938 parabolic_orbit
4939 streamer
4940 tail
4941 N
4942 "named comet not included"
4943 ## compact_galaxy
4944 compact_galaxy
4945 D
4946 "compact galaxy"
4947 BT
4948 peculiar_galaxy
4949 NT
4950 N_galaxy
4951 RT
4952 BL_Lacertae_object
4953 active_galaxy
4954 quasar
4955 ## compact_H_II_region
4956 compact_H_II_region
4957 D
4958 "compact H II region"
4959 BT
4960 H_II_region
4961 ## compact_nebula
4962 compact_nebula
4963 D
4964 "compact nebula"
4965 BT
4966 nebula
4967 ## compact_nucleus
4968 compact_nucleus
4969 D
4970 "compact nucleus"
4971 BT
4972 galactic_nucleus
4973 nucleus_celestial_object
4974 NT
4975 Seyfert_nucleus
4976 RT
4977 Seyfert_galaxy
4978 active_galactic_nucleus
4979 compact_source
4980 ## compact_object
4981 compact_object
4982 D
4983 "compact object"
4984 NT
4985 BL_Lacertae_object
4986 black_hole
4987 compact_source
4988 neutron_star
4989 white_dwarf
4990 ## compact_source
4991 compact_source
4992 D
4993 "compact source"
4994 BT
4995 compact_object
4996 radio_source
4997 source
4998 RT
4999 compact_nucleus
5000 radio_structure
5001 ## companion_galaxy
5002 companion_galaxy
5003 D
5004 "companion galaxy"
5005 BT
5006 galaxy
5007 RT
5008 double_galaxy
5009 galaxy_group
5010 ## companion_star
5011 companion_star
5012 D
5013 "companion star"
5014 BT
5015 star
5016 NT
5017 primary_star
5018 secondary_star
5019 tertiary_star
5020 RT
5021 binary_star
5022 multiple_star
5023 ## comparison
5024 comparison
5025 D
5026 "comparison"
5027 N
5028 "combine with other terms"
5029 ## comparison_lamp
5030 comparison_lamp
5031 D
5032 "comparison lamp"
5033 BT
5034 lamp
5035 RT
5036 calibration
5037 spectrograph
5038 HN
5039 "FVH: new (2007-SEP-21)"
5040 ## comparison_star
5041 comparison_star
5042 D
5043 "comparison star"
5044 BT
5045 standard_star
5046 RT
5047 variable_star
5048 ## component
5049 component
5050 D
5051 "component"
5052 N
5053 "combine with other terms"
5054 ## composite_particle
5055 composite_particle
5056 D
5057 "composite particle"
5058 BT
5059 boson
5060 NT
5061 alpha_particle
5062 ion
5063 radical
5064 ## composition
5065 composition
5066 D
5067 "composition"
5068 RT
5069 planet
5070 N
5071 "combine with other terms"
5072 ## Compton_effect
5073 Compton_effect
5074 D
5075 "Compton effect"
5076 RT
5077 X-ray_scattering
5078 electron
5079 radiation_scattering
5080 ## Compton_scattering
5081 Compton_scattering
5082 D
5083 "Compton scattering"
5084 BT
5085 light_scattering
5086 radiation_scattering
5087 scattering
5088 NT
5089 Thomson_scattering
5090 RT
5091 Rayleigh_scattering
5092 electron
5093 inverse_Compton_scattering
5094 ## computer_application
5095 computer_application
5096 D
5097 "computer application"
5098 BT
5099 computing
5100 NT
5101 computer_simulation
5102 ## computer_model
5103 computer_model
5104 D
5105 "computer model"
5106 BT
5107 computing
5108 model
5109 RT
5110 computer_program
5111 computer_simulation
5112 mathematical_model
5113 numerical_simulation
5114 ## computer_program
5115 computer_program
5116 D
5117 "computer program"
5118 BT
5119 computing
5120 RT
5121 computer_model
5122 computer_simulation
5123 data_processing
5124 ## computer
5125 computer
5126 D
5127 "computer"
5128 NT
5129 array_processor
5130 microprocessor
5131 parallel_computer
5132 RT
5133 computing
5134 control_system
5135 data_center
5136 data_processing
5137 data_reduction
5138 data_storage
5139 peripheral
5140 ## computer_simulation
5141 computer_simulation
5142 D
5143 "computer simulation"
5144 BT
5145 computer_application
5146 simulation
5147 RT
5148 computer_model
5149 computer_program
5150 ## computing
5151 computing
5152 D
5153 "computing"
5154 NT
5155 computer_application
5156 computer_model
5157 computer_program
5158 data_processing
5159 data_retrieval
5160 data_storage
5161 database
5162 RT
5163 computer
5164 ## condensation
5165 condensation
5166 D
5167 "condensation"
5168 N
5169 "combine with other terms"
5170 ## conduction
5171 conduction
5172 D
5173 "conduction"
5174 RT
5175 energy-transfer
5176 thermal_conductivity
5177 N
5178 "combine with other terms"
5179 ## conjunction
5180 conjunction
5181 D
5182 "conjunction"
5183 RT
5184 opposition
5185 quadrature
5186 synodic_period
5187 syzygy
5188 N
5189 "refers to planet position"
5190 ## constant
5191 constant
5192 D
5193 "constant"
5194 NT
5195 astronomical_constant
5196 cosmological_parameter
5197 physical_constant
5198 CN
5199 "FVH: more physical hierarchy (2007-OCT-11)"
5200 ## constellation
5201 constellation
5202 D
5203 "constellation"
5204 RT
5205 astrology
5206 zodiac
5207 N
5208 "see appendix"
5209 ## contact_binary_star
5210 contact_binary_star
5211 D
5212 "contact binary star"
5213 BT
5214 binary_star
5215 NT
5216 beta_Lyrae_star
5217 ellipsoidal_variable_star
5218 RT
5219 close_binary_star
5220 eclipsing_binary_star
5221 equipotential_surface
5222 mass_exchange
5223 ## continental_drift
5224 continental_drift
5225 D
5226 "continental drift"
5227 RT
5228 continent
5229 geomagnetism
5230 geophysics
5231 paleomagnetism
5232 ## continent
5233 continent
5234 D
5235 "continent"
5236 RT
5237 Earth
5238 continental_drift
5239 ## contiuum
5240 contiuum
5241 D
5242 "contiuum"
5243 RT
5244 continuum_radiation
5245 spectrum
5246 N
5247 "combine with other terms"
5248 ## continuous_spectrum
5249 continuous_spectrum
5250 D
5251 "continuous spectrum"
5252 BT
5253 spectrum
5254 RT
5255 light_emission
5256 spectroscopic_analysis
5257 spectroscopy
5258 visible_spectrum
5259 ## continuum_radiation
5260 continuum_radiation
5261 D
5262 "continuum radiation"
5263 BT
5264 electromagnetic_radiation
5265 radiation
5266 NT
5267 X-ray_continuum
5268 ultraviolet_continuum
5269 RT
5270 contiuum
5271 photosphere
5272 ## contour_map
5273 contour_map
5274 D
5275 "contour map"
5276 BT
5277 map
5278 RT
5279 isophot
5280 radio_structure
5281 ## contraction
5282 contraction
5283 D
5284 "contraction"
5285 N
5286 "combine with other terms"
5287 ## contrast
5288 contrast
5289 D
5290 "contrast"
5291 N
5292 "combine with other terms"
5293 ## control_system
5294 control_system
5295 D
5296 "control system"
5297 NT
5298 autoguider
5299 remote_control_system
5300 RT
5301 computer
5302 drive
5303 guide_system
5304 microprocessor
5305 pointing_accuracy
5306 pointing_error
5307 quadrant_detector
5308 telescope_instrument
5309 telescope
5310 tracking
5311 ## convection
5312 convection
5313 D
5314 "convection"
5315 RT
5316 Hayashi_track
5317 Rayleigh_number
5318 convective_envelope
5319 convective_shell
5320 convective_zone
5321 dredge_up
5322 energy-transfer
5323 envelope
5324 granulation
5325 line_broadening
5326 mass-transfer
5327 thermal_instability
5328 thermal_structure
5329 turbulence_Earth_atmosphere
5330 turbulence_star_atmosphere
5331 ## convective_envelope
5332 convective_envelope
5333 D
5334 "convective envelope"
5335 RT
5336 convection
5337 ## convective_shell
5338 convective_shell
5339 D
5340 "convective shell"
5341 BT
5342 shell
5343 RT
5344 convection
5345 ## convective_zone
5346 convective_zone
5347 D
5348 "convective zone"
5349 RT
5350 convection
5351 ## cooling
5352 cooling
5353 D
5354 "cooling"
5355 N
5356 "combine with other terms"
5357 ## cooling_flow
5358 cooling_flow
5359 D
5360 "cooling flow"
5361 RT
5362 accretion_disk
5363 galaxy
5364 star_formation
5365 ## coordinated_Universal_Time
5366 coordinated_Universal_Time
5367 ALT
5368 "UTC"
5369 D
5370 "coordinated Universal Time"
5371 BT
5372 Universal_Time
5373 RT
5374 UT1
5375 HN
5376 "FVH: new (2007-OCT-3)"
5377 ## coordinate_system
5378 coordinate_system
5379 D
5380 "coordinate system"
5381 NT
5382 celestial_coordinate_system
5383 horizon_coordinate_system
5384 inertial_coordinate_system
5385 RT
5386 aberration
5387 astrometry
5388 heliocentric_correction
5389 position
5390 reference_frame
5391 reference_system
5392 spherical_coordinate
5393 true_position
5394 N
5395 "coordinate not included"
5396 "planet and satellite surface"
5397 ## copper
5398 copper
5399 ALT
5400 "Cu"
5401 D
5402 "copper (atomic number 29)"
5403 BT
5404 fundamental_chemical_element
5405 HN
5406 "FVH: new (2007-OCT-25)"
5407 ## core
5408 core
5409 D
5410 "core"
5411 RT
5412 Earth
5413 planet
5414 stellar_interior
5415 N
5416 "combine with other terms"
5417 ## corona
5418 corona
5419 ALT
5420 "coronas"
5421 D
5422 "corona"
5423 NT
5424 E_corona
5425 F_corona
5426 K_corona
5427 coronal_hole
5428 coronal_line
5429 coronal_loop
5430 coronal_plume
5431 solar_corona
5432 RT
5433 circumstellar_matter
5434 halo
5435 ionization
5436 mass-loss
5437 stellar_atmosphere
5438 ## coronagraph
5439 coronagraph
5440 D
5441 "coronagraph"
5442 BT
5443 instrument
5444 optical_instrument
5445 RT
5446 camera
5447 solar_corona
5448 solar_observatory
5449 spectroheliograph
5450 ## coronal_dimming
5451 coronal_dimming
5452 D
5453 "solar coronal dimming"
5454 RT
5455 solar_corona
5456 HN
5457 "FVH: new (2007-OCT-29)"
5458 ## coronal_hole
5459 coronal_hole
5460 D
5461 "coronal hole"
5462 BT
5463 corona
5464 RT
5465 solar_corona
5466 solar_wind
5467 ## coronal_line
5468 coronal_line
5469 D
5470 "coronal line"
5471 BT
5472 corona
5473 emission_line
5474 RT
5475 solar_corona
5476 ## coronal_loop
5477 coronal_loop
5478 D
5479 "coronal loop"
5480 BT
5481 corona
5482 RT
5483 chromosphere
5484 solar_activity
5485 solar_corona
5486 ## coronal_mass_ejection
5487 coronal_mass_ejection
5488 ALT
5489 "CME"
5490 D
5491 "coronal mass ejection"
5492 BT
5493 mass-loss
5494 RT
5495 corpuscular_emission
5496 solar_corona
5497 ## coronal_plume
5498 coronal_plume
5499 D
5500 "coronal plume"
5501 BT
5502 corona
5503 RT
5504 solar_corona
5505 ## coronal_transient
5506 coronal_transient
5507 D
5508 "coronal transient"
5509 RT
5510 solar_corona
5511 ## coronal_wave
5512 coronal_wave
5513 D
5514 "solar coronal wave"
5515 BT
5516 Alfven_wave
5517 RT
5518 solar_corona
5519 HN
5520 "FVH: new (2007-OCT-29)"
5521 ## corpuscular_emission
5522 corpuscular_emission
5523 D
5524 "corpuscular emission"
5525 RT
5526 coronal_mass_ejection
5527 ## correction
5528 correction
5529 D
5530 "correction"
5531 RT
5532 adjustment
5533 alignment_optics
5534 collimation
5535 error
5536 selection_effect
5537 N
5538 "combine with other terms"
5539 ## corrector_plate
5540 corrector_plate
5541 D
5542 "corrector plate"
5543 BT
5544 lens
5545 optical_component
5546 RT
5547 Schmidt_camera
5548 Schmidt_telescope
5549 catadioptric_system
5550 field_corrector
5551 ## correlation
5552 correlation
5553 D
5554 "correlation"
5555 NT
5556 auto-correlation
5557 cross-correlation
5558 interferometric_correlation
5559 luminosity-dispersion_relation
5560 RT
5561 interferometry
5562 receiver
5563 HN
5564 "FVH: new (2007-NOV-1)"
5565 ## cosmic_abundance
5566 cosmic_abundance
5567 D
5568 "cosmic abundance"
5569 BT
5570 abundance
5571 RT
5572 cosmology
5573 ## cosmic_background_radiation
5574 cosmic_background_radiation
5575 D
5576 "cosmic background radiation"
5577 BT
5578 background_radiation
5579 ## cosmic
5580 cosmic
5581 D
5582 "cosmic"
5583 N
5584 "combine with other terms"
5585 ## cosmic_electrodynamics
5586 cosmic_electrodynamics
5587 D
5588 "cosmic electrodynamics"
5589 BT
5590 electrodynamics
5591 electromagnetic_theory
5592 RT
5593 magnetohydrodynamics
5594 ## cosmic_noise
5595 cosmic_noise
5596 D
5597 "cosmic noise"
5598 BT
5599 noise
5600 radio_interference
5601 NT
5602 microwave_background
5603 RT
5604 background_noise
5605 background_radiation
5606 microwave_emission
5607 radio_background
5608 ## cosmic_ray_astronomy
5609 cosmic_ray_astronomy
5610 D
5611 "cosmic ray astronomy"
5612 BT
5613 astronomy
5614 RT
5615 balloon-borne_instrument
5616 high-energy_astrophysics
5617 rocket-borne_instrument
5618 satellite-borne_instrument
5619 ## cosmic_ray
5620 cosmic_ray
5621 ALT
5622 "cosmic radiation"
5623 "primary cosmic ray"
5624 D
5625 "cosmic ray"
5626 BT
5627 background_radiation
5628 high-energy_radiation
5629 radiation
5630 NT
5631 Galactic_cosmic_ray
5632 RT
5633 Cerenkov_counter
5634 Cerenkov_radiation
5635 cosmic_ray_shower
5636 cosmic_ray_source
5637 forbush_effect
5638 inverse_Compton_effect
5639 secondary_cosmic_ray
5640 ## cosmic_ray_shower
5641 cosmic_ray_shower
5642 ALT
5643 "air shower"
5644 "auger shower"
5645 D
5646 "cosmic ray shower"
5647 RT
5648 cosmic_ray
5649 phosphorescent_scintillation
5650 secondary_cosmic_ray
5651 ## cosmic_ray_source
5652 cosmic_ray_source
5653 D
5654 "cosmic ray source"
5655 BT
5656 source
5657 RT
5658 cosmic_ray
5659 ## cosmic_string
5660 cosmic_string
5661 ALT
5662 "string"
5663 D
5664 "cosmic string"
5665 RT
5666 cosmology
5667 intergalactic_matter
5668 interstellar_matter
5669 large_scale_structure
5670 ## cosmic_year
5671 cosmic_year
5672 D
5673 "cosmic year"
5674 BT
5675 year
5676 RT
5677 Galactic_rotation
5678 ## cosmochemistry
5679 cosmochemistry
5680 ALT
5681 "astrochemistry"
5682 "cosmic chemistry"
5683 D
5684 "cosmochemistry"
5685 BT
5686 chemistry
5687 RT
5688 astrobiology
5689 cosmology
5690 interstellar_molecule
5691 molecular_astrophysics
5692 ## cosmochronology
5693 cosmochronology
5694 ALT
5695 "nucleocosmochronology"
5696 D
5697 "cosmochronology"
5698 RT
5699 age
5700 cosmology
5701 nuclear_fission
5702 HN
5703 "ES: new (2007-OCT-8)"
5704 ## cosmogony
5705 cosmogony
5706 D
5707 "cosmogony"
5708 BT
5709 astronomy
5710 NT
5711 relativity
5712 RT
5713 cosmology
5714 protocluster
5715 protogalaxy
5716 protoplanetary_nebula
5717 universe
5718 ## cosmological_constant
5719 cosmological_constant
5720 ALT
5721 "Lambda"
5722 D
5723 "cosmological constant"
5724 BT
5725 cosmological_parameter
5726 RT
5727 Dark_Energy
5728 Omega_Lambda
5729 cosmology
5730 CN
5731 "FVH: added ALT lambda (2007-SEP-21)"
5732 ## cosmological_distance_scale
5733 cosmological_distance_scale
5734 D
5735 "cosmological distance scale"
5736 BT
5737 distance_scale
5738 RT
5739 Hubble_constant
5740 cosmological_parameter
5741 deceleration_parameter
5742 observational_cosmology
5743 redshift
5744 redshift_distance_relation
5745 redshift_magnitude_relation
5746 ## cosmological_model
5747 cosmological_model
5748 D
5749 "cosmological model"
5750 N
5751 "see under cosmology"
5752 ## cosmological_parameter
5753 cosmological_parameter
5754 D
5755 "cosmological parameter/constant"
5756 BT
5757 constant
5758 NT
5759 Hubble_constant
5760 Omega_parameter
5761 cosmological_constant
5762 deceleration_parameter
5763 sigma8
5764 RT
5765 cosmological_distance_scale
5766 cosmology
5767 HN
5768 "FVH: new (2007-SEP-21)"
5769 CN
5770 "FVH: renamed *_parameter, since some of them aren't necessarily constant (2007-OCT-26)"
5771 ## cosmology
5772 cosmology
5773 D
5774 "cosmology"
5775 BT
5776 astronomy
5777 NT
5778 Bianchi_cosmology
5779 Big_Bang_theory
5780 Einstein_universe
5781 Friedmann_universe
5782 Goedel_universe
5783 Lemaitre_universe
5784 closed_universe
5785 de_Sitter_universe
5786 dirac_cosmology
5787 expanding_universe
5788 hierarchical_cosmology
5789 inflationary_universe
5790 open_universe
5791 oscillating_universe
5792 primordial_fireball
5793 quantum_cosmology
5794 relativistic_cosmology
5795 steady-state_theory
5796 RT
5797 Dark_Energy
5798 Dark_Matter
5799 Hubble_constant
5800 Hubble_diagram
5801 Hubble_law
5802 Hubble_radius
5803 Hubble_time
5804 Omega_parameter
5805 Tully-Fisher_relation
5806 Type_Ia_supernova
5807 anthropic_principle
5808 astrophysics
5809 cold_Dark_Matter
5810 color-redshift_relation
5811 cosmic_abundance
5812 cosmic_string
5813 cosmochemistry
5814 cosmochronology
5815 cosmogony
5816 cosmological_constant
5817 cosmological_parameter
5818 early_universe
5819 galaxy_count
5820 galaxy_distribution
5821 galaxy_evolution
5822 general_theory_of_relativity
5823 large_scale_structure
5824 microwave_background
5825 missing_mass
5826 protocluster
5827 protogalaxy
5828 redshift
5829 redshift_distance_relation
5830 redshift_magnitude_relation
5831 relativistic_astrophysics
5832 relativistic_velocity
5833 space-time_curvature
5834 stellar_evolution
5835 universe
5836 white_hole
5837 CN
5838 "FVH: added RT DARK_ENERGY, RT LARGE_SCALE_STRUCTURE (2007-SEP-21)"
5839 ## Coude_focus
5840 Coude_focus
5841 D
5842 "Coude focus"
5843 BT
5844 focus
5845 RT
5846 Cassegrain_focus
5847 Nasmyth_focus
5848 Newtonian_focus
5849 prime_focus
5850 ## Coude_spectrum
5851 Coude_spectrum
5852 D
5853 "Coude spectrum"
5854 BT
5855 high-resolution_spectrum
5856 RT
5857 echelle_spectrograph
5858 ## Coude_spectrograph
5859 Coude_spectrograph
5860 D
5861 "Coude spectrograph"
5862 BT
5863 spectrograph
5864 RT
5865 high-resolution_spectrum
5866 high-resolution_spectrosopy
5867 ## counter
5868 counter
5869 ALT
5870 "count"
5871 D
5872 "counter"
5873 BT
5874 measuring_instrument
5875 NT
5876 scintillation_counter
5877 RT
5878 counting
5879 data_acquisition
5880 photon_counting_system
5881 ## counting
5882 counting
5883 ALT
5884 "count"
5885 D
5886 "counting"
5887 RT
5888 counter
5889 data_acquisition
5890 ## coupling
5891 coupling
5892 D
5893 "coupling"
5894 N
5895 "combine with other terms"
5896 ## crater
5897 crater
5898 D
5899 "crater"
5900 NT
5901 impact_crater
5902 RT
5903 Earth
5904 Moon
5905 basin
5906 ejecta
5907 meteor
5908 planet
5909 volcano
5910 N
5911 "combine with other terms"
5912 ## cross-correlation
5913 cross-correlation
5914 ALT
5915 "cross correlation"
5916 D
5917 "cross-correlation"
5918 BT
5919 correlation
5920 RT
5921 auto-correlation
5922 data_processing
5923 interferometric_correlation
5924 ## crustal_dynamics
5925 crustal_dynamics
5926 D
5927 "crustal dynamics"
5928 RT
5929 Moon
5930 crust
5931 mantle
5932 ## crust
5933 crust
5934 D
5935 "crust"
5936 RT
5937 Earth
5938 Moon
5939 crustal_dynamics
5940 mantle
5941 planet
5942 N
5943 "combine with other terms"
5944 ## cryogenics
5945 cryogenics
5946 D
5947 "cryogenics"
5948 RT
5949 cryostat
5950 outgassing
5951 temperature_control
5952 ## cryostat
5953 cryostat
5954 D
5955 "cryostat"
5956 RT
5957 cryogenics
5958 temperature_control
5959 ## CS
5960 CS
5961 D
5962 "CS molecule"
5963 BT
5964 carbon_compound
5965 hydrocarbon
5966 interstellar_molecule
5967 HN
5968 "FVH: new (2007-OCT-2)"
5969 ## curium
5970 curium
5971 ALT
5972 "Cm"
5973 D
5974 "curium (atomic number 96)"
5975 BT
5976 fundamental_chemical_element
5977 HN
5978 "FVH: new (2007-OCT-25)"
5979 ## current
5980 current
5981 D
5982 "current"
5983 RT
5984 antenna
5985 current_sheet
5986 electric_current
5987 N
5988 "combine with other terms"
5989 ## current_sheet
5990 current_sheet
5991 D
5992 "current sheet"
5993 RT
5994 antenna
5995 current
5996 electric_current
5997 ## curve_of_growth
5998 curve_of_growth
5999 D
6000 "curve of growth"
6001 RT
6002 abundance
6003 chemical_element
6004 ## cusp_crossing
6005 cusp_crossing
6006 D
6007 "cusp crossing"
6008 RT
6009 caustic_crossing
6010 caustic
6011 cusp
6012 gravitational_lensing
6013 HN
6014 "FVH: new (2007-OCT-8)"
6015 ## cusp
6016 cusp
6017 D
6018 "cusp"
6019 RT
6020 caustic_crossing
6021 cusp_crossing
6022 gravitational_lensing
6023 HN
6024 "FVH: new (2007-OCT-8)"
6025 ## cyanoacetylene
6026 cyanoacetylene
6027 D
6028 "cyanoacetylene"
6029 BT
6030 carbon_compound
6031 ## cyanodiacetylene
6032 cyanodiacetylene
6033 D
6034 "cyanodiacetylene"
6035 BT
6036 carbon_compound
6037 ## cyanogen
6038 cyanogen
6039 ALT
6040 "CN"
6041 D
6042 "cyanogen"
6043 BT
6044 carbon_compound
6045 ## cyanogen_line
6046 cyanogen_line
6047 D
6048 "cyanogen line"
6049 BT
6050 spectral_line
6051 RT
6052 absorption_line
6053 ## cyanopolyene
6054 cyanopolyene
6055 D
6056 "cyanopolyene"
6057 BT
6058 carbon_compound
6059 CN
6060 "FVH: corrected spelling (2007-OCT-2)"
6061 ## cycle
6062 cycle
6063 D
6064 "cycle"
6065 RT
6066 period
6067 ## cyclotron_radiation
6068 cyclotron_radiation
6069 D
6070 "cyclotron radiation"
6071 BT
6072 electromagnetic_radiation
6073 radiation
6074 synchrotron_radiation
6075 RT
6076 radiation_mechanism
6077 ## damping_constant
6078 damping_constant
6079 D
6080 "damping constant"
6081 RT
6082 line_formation
6083 radiation_damping
6084 radiative_braking
6085 ## Danjon_astrolabe
6086 Danjon_astrolabe
6087 D
6088 "Danjon astrolabe"
6089 BT
6090 astrolabe
6091 ## dark_adaption
6092 dark_adaption
6093 ALT
6094 "retinal adaption"
6095 D
6096 "dark adaption"
6097 RT
6098 color_vision
6099 darkness
6100 night_vision
6101 vision
6102 ## dark_cloud
6103 dark_cloud
6104 D
6105 "dark cloud"
6106 BT
6107 interstellar_matter
6108 RT
6109 C_II_region
6110 ## dark-current_calibration
6111 dark-current_calibration
6112 D
6113 "dark-current calibration"
6114 BT
6115 calibration
6116 RT
6117 CCD_detector
6118 HN
6119 "FVH: new (2007-OCT-3)"
6120 ## Dark_Energy
6121 Dark_Energy
6122 ALT
6123 "dark energy"
6124 D
6125 "Dark Energy"
6126 RT
6127 Dark_Matter
6128 Hubble_law
6129 cold_Dark_Matter
6130 cosmological_constant
6131 cosmology
6132 early_universe
6133 galaxy_count
6134 galaxy_distribution
6135 general_theory_of_relativity
6136 redshift_distance_relation
6137 redshift_magnitude_relation
6138 space-time_curvature
6139 universe
6140 HN
6141 "FVH: new (2007-SEP-21)"
6142 ## Dark_Matter
6143 Dark_Matter
6144 D
6145 "Dark Matter"
6146 BT
6147 intergalactic_matter
6148 interstellar_matter
6149 NT
6150 baryonic_Dark_Matter
6151 cold_Dark_Matter
6152 RT
6153 Dark_Energy
6154 Galactic_rotation
6155 cosmology
6156 elementary_particle
6157 galaxy_rotation_curve
6158 mass_distribution
6159 ## dark_nebula
6160 dark_nebula
6161 ALT
6162 "absorption nebula"
6163 D
6164 "dark nebula"
6165 BT
6166 interstellar_matter
6167 nebula
6168 NT
6169 Bok_globule
6170 cometary_globule
6171 RT
6172 Wolf_diagram
6173 globule
6174 star_formation
6175 ## darkness
6176 darkness
6177 D
6178 "darkness"
6179 RT
6180 dark_adaption
6181 diurnal_variation
6182 electromagnetic_radiation
6183 optical_property
6184 visible_radiation
6185 ## darkroom
6186 darkroom
6187 D
6188 "darkroom"
6189 RT
6190 photographic_processing
6191 photography
6192 ## darmtadtium
6193 darmtadtium
6194 ALT
6195 "Ds"
6196 D
6197 "darmtadtium (atomic number 110)"
6198 BT
6199 fundamental_chemical_element
6200 HN
6201 "FVH: new (2007-OCT-25)"
6202 ## DA_star
6203 DA_star
6204 D
6205 "DA white dwarf star"
6206 BT
6207 white_dwarf
6208 RT
6209 DB_star
6210 DO_star
6211 CN
6212 "FVH: modified from original DA_star (2007-OCT-1)"
6213 ## data_acquisition
6214 data_acquisition
6215 D
6216 "data acquisition"
6217 RT
6218 counter
6219 counting
6220 data_analysi