against |
a background |
|
Abastumani astrophysical observatory |
Seidel |
aberration |
|
aberration(al) ellipse |
|
aberration angle |
|
aberration constant |
|
aberration-free objective |
|
aberration image |
|
aberration in declination |
|
aberration in ecliptic longitude |
|
aberration in latitude |
|
aberration in right ascension |
|
aberration of light |
chromatic |
aberration of position |
optical |
aberrations |
|
ablation |
|
abnormal |
|
abnormal galaxy |
|
abnormal series |
|
abrasive |
|
absolute black body |
|
absolute brightness |
|
absolute coordinates |
|
absolute declination |
|
absolute degree |
|
absolute determinations |
|
absolute line strength |
|
absolute luminosity |
spectroscopic |
absolute magnitude |
|
absolute magnitude effect |
|
absolute method |
|
absolute parallax |
|
absolute photographic magnitude |
|
absolute position |
|
absolute proper motion |
|
absolute radio magnitude |
|
absolute sensitivity |
|
absolute stellar luminosity |
|
absolute temperature |
|
absolute unit |
|
absolute zero |
|
absorb |
|
absorbability |
|
absorbed energy |
|
absorbed light |
selective |
absorber |
|
absorbing capacity |
|
absorbing cloud |
|
absorbing layer |
|
absorbing medium |
|
absorbing power |
|
absorbing region |
|
absorbing wedge |
21-cm line |
absorption |
|
absorption, atmospheric |
|
absorption band |
|
absorption band progression |
|
absorption beyond the series limit |
stellar |
absorption coefficient |
Balmer |
absorption continuum |
|
absorption edge |
|
absorption effects |
|
absorption feature |
|
absorption flocculus |
|
absorption limiting frequency |
|
absorption line |
overlap of |
absorption lines |
|
absorption loss |
|
absorption mechanism |
dark |
(absorption) nebula |
|
absorption power |
|
absorption process |
|
absorption profile |
|
absorption spectrum |
|
absorption tube method |
|
absorption water cell |
|
absorptive power |
|
absorptive process |
|
absorptivity |
oxygen |
abundance |
|
abundance broadening |
|
abundance classification |
|
abundance of elements |
|
abundance of isotopes |
equinox of |
a catalogue |
terrestrial |
acceleration |
|
acceleration due to gravity |
|
acceleration factor |
auroral |
acceleration mechanism |
|
acceleration of expansion |
|
acceleration of gravity |
|
acceleration radiation |
|
acceleration vector |
|
accelerometer |
frequency |
acceptance band |
|
acceptor |
|
accessories |
|
accessory drive |
|
accidental degeneracy |
|
accidental error |
|
accidental perturbation |
|
accidental predissociation |
|
accidental symmetric top |
|
accidental variations |
|
accommodation |
gaseous |
accretion |
|
accumulated error |
tracking |
accuracy |
|
achondrite |
modified |
achromat eyepiece |
|
achromatic |
|
achromatic doublet |
|
achromatic lens |
|
achromatic Ramsden eyepiece |
|
achromatic system |
|
achromatism |
|
achromatize |
|
acid fixing bath |
to move in |
a circular orbit |
against |
a continuous emission background |
|
acoustical wave |
arm of |
a cross |
transit |
across the disk of the Sun |
brightness distribution |
across the source |
brightness distribution |
across the Sun |
particular |
act |
|
actinic |
|
actinic rays |
|
actinides |
|
actinism |
|
actinogram |
|
actinograph |
|
actinometer |
|
actinometric |
|
actinometry |
|
actinoscope |
quantum of |
action |
|
activation |
|
activation energy |
|
active atmospheric compensation |
|
active center |
magnetically |
active days |
|
active optics |
|
active parsecs |
|
active photospherlc region |
common |
active prominence |
solar |
active region |
|
active stream |
|
active Sun |
|
active support |
Raman |
active vibration |
|
active volcano |
principal source of decameter |
activity |
solar |
activity index |
|
actual antenna |
|
actual aperture |
|
actual area |
|
actual position |
|
actual pressure gradient |
visual |
acuity |
remnants of the supernova of |
A. D. |
|
Adams-Russell phenomenon |
dark |
adaptation |
|
adapter |
|
adaptive optics |
|
adder |
|
adding machine |
|
additional mirror |
|
adiabate |
|
adiabatic |
|
adiabatic equilibrium |
|
adiabatic gas law |
|
adiabatic gradient |
|
adiabatic invariant |
|
adiabatic lapse rate |
|
adiabatic law |
|
adiabatic process |
|
adiabatic temperature gradient |
|
adjacent galaxies |
slit-width |
adjusting screw |
threshold |
adjustment |
National Aeronautic and Space |
Administration |
variable-speed R. |
A. drive |
star of |
advancing spectral type |
telephoto |
advantage |
|
aeolosphere |
|
aeolosphere model |
|
aeolospheric |
|
aeolospheric model |
|
aerial |
|
aerial area |
|
aerial array |
|
aerial beam |
|
aerial beamwidth |
|
aerial camera |
|
aerial diagram |
|
aerial directivity |
|
aerial efficiency |
|
aerial feed |
|
aerial feeder |
|
aerial fog |
|
aerial gain |
|
aerial line |
|
aerial relation |
|
aerial sensitivity |
|
aerial separation |
|
aerial smoothing |
|
aerial spacing |
|
aerial survey |
pencil-beam |
(aerial) system |
interferometer |
aerial system |
|
aerial telescope |
|
aerial temperature |
|
aerial temperature distribution |
|
aerial terminals |
|
aerodynamic drag |
|
aerolite |
National |
Aeronautic and Space Administration |
|
aerosiderite |
|
aerosiderolite |
|
aerosol |
electron |
affinity |
|
afocal imaging |
|
afocal optics |
South |
African astronomical observatory |
South |
African large telescope |
|
after-effect |
|
afterglow |
|
after image |
|
against a background |
|
against a continuous emission background |
supposed |
age |
|
age-dating |
|
age-figure tests |
European Space |
Agency |
|
age of the universe |
|
aggregate |
|
aggregation |
effect of |
aging |
geomagnetic |
agitation |
rough |
agreement |
free-burning dc arc in |
air |
|
air band spectrum |
|
air blanket |
observation |
airborne observation |
|
airborne photography |
|
aircraft trail |
|
air current |
|
air-driven |
|
air glow |
twilight |
airglow |
|
airglow excitation |
|
airglow spectrum |
|
air-leg |
|
airless |
terrestrial |
air mass |
zero |
air-mass solar spectral irradiation curve |
|
air-operated |
|
air path |
|
air-powered |
|
air Schmidt |
|
air showers |
|
air-tyred |
|
air wavelength |
|
Airy disk |
|
Airy transit circle |
radio-frequency |
albedo |
|
albedometer |
|
Alfven waves |
|
Algol |
|
Algol binary |
|
Algol star |
|
Algonquin telescope |
|
aliasing |
|
alidad(e) |
|
alidade |
|
alignment |
inverted |
(alkali) doublet |
|
alkali-earth metals |
|
alkali elements |
|
alkali-line spectrum |
|
alkali metals |
|
alkali(ne)-earth elements |
|
alkaline earth-like spectrum |
van |
Allen belts |
belt Jupiter's van |
Allen type belts |
radio astronomy |
allocation |
|
allowance |
|
allowance for... |
|
allowed orbit |
|
allowed spectrum line |
|
allowed transition |
to |
allow for... |
aluminium |
alloy |
|
all-purpose observatory |
|
all-sky camera |
|
all-sky coverage |
Nautical |
almanac |
nautical |
almanac(k) |
|
almucantar |
|
almukantar |
|
along the line of sight |
geocentric |
(al) orbit |
|
α2 Canum Venaticorum variables |
переменные (звёзды) типа |
α2 Гончих Псов |
Lyman |
alpha detector |
Lyman |
alpha line |
|
α-particles |
|
alpha particles |
|
α-частицы |
|
altazimuth |
|
altazimuth coordinates |
|
altazimuth mounting |
|
altazimuth reflector |
|
altazimuth telescope |
|
alt-az telescope mounting |
multiplicity |
alteration |
intensity |
alternation |
|
alternation law of multiplicities |
circle of |
altitude |
|
altitude axis |
|
altitude-azimuth mounting |
high |
altitude nuclear explosion |
|
altitude of North Pole |
Calar |
Alto observatory |
|
aluminium alloy |
|
aluminium film |
|
aluminium reflectivity |
|
aluminizing |
|
aluminizing chamber |
|
aluminizing tank |
during |
a lunation |
|
AMANDA neutrino detector |
|
amateur astronomer |
|
amateur astronomy |
|
amateur observations |
|
amateur telescope |
|
ambient light illumination |
|
ambient temperature |
|
ambiguity |
|
American Association of Variable Star Observers |
|
American Astronomical Society |
|
ametropic eye |
|
amidol developer |
|
ammonia |
|
ammonium dihydrogen phosphat |
|
amount of polarization |
|
amplification |
|
amplification coefficient |
|
amplification factor |
maser |
amplifier |
|
amplifier-rectifier |
fringe |
amplitude |
visibility |
amplitude function |
|
amplitude grating |
spectrograph interferometric with selective |
amplitude modulation |
|
amplitude of variation |
|
analemma |
|
analogue computer |
|
analyser |
frequency |
analysis |
image reduction and |
analysis facility |
fine |
analysis method |
Zeeman |
analyzer |
|
analyzing spectroscope |
|
anastigmatic lens |
|
anastigmatic optics |
image reduction |
and analysis facility |
Particle Physics |
and Astronomy Research Council |
storm |
and burst component |
noise storm |
and bursts |
ball |
and claw mounting |
Catalog of Galaxies |
and clusters of Galaxies |
H |
and D curve |
H |
and K lines |
rack |
and pinion focuser |
declination |
and right ascension |
law of Bunsen |
and Roscoe |
Mount Stromlo |
and Siding springs observatory |
National Aeronautic |
and Space Administration |
ventilation |
and temperature-control system |
black |
and white film |
worm |
and worm-wheel drive |
resolution of |
a nebula |
guiding correction in hour |
angle |
position |
angle effect |
ultra-wide |
angle eyepiece |
|
angle measurements |
effective solid |
angle of antenna |
|
angle of diffraction |
|
angle of dip |
|
angle of dispersion |
apparent |
angle of elevation |
|
angle of emergency |
|
angle of incidence |
|
angle of minimum deviation |
|
angle of refraction |
small |
angle relationships |
range of phase |
angles |
|
Anglo-Australian observatory |
|
Anglo-Australian telescope |
|
angstrom |
|
Angstrom band |
|
Angstrom unit |
|
angular accuracy |
|
angular aperture |
Sun's mean |
angular diameter |
|
angular diameter measurement |
|
angular dimensions |
|
angular discrimination |
|
angular dispersion |
|
angular displacement |
|
angular distance |
|
angular distribution |
|
angular distribution of sources |
|
angular estimate |
|
angular extent |
|
angular field of view |
|
angular frequency |
|
angular information |
|
angular light-distribution |
|
angular magnification |
|
angular measurement |
precession of |
angular momentum |
mean |
angular motion |
|
angular position |
|
angular power spectrum |
|
angular precision |
|
angular radius |
|
angular rate of rotation |
|
angular resolution |
Center for High |
Angular Resolution Astronomy |
|
angular resolving power |
|
angular scale |
|
angular scattering law |
|
angular scintillation |
|
angular separation |
|
angular separation of fringes |
equivalent |
angular size |
|
angular size work |
|
angular structure |
|
angular variation |
|
angular velocity |
|
anharmonicity |
|
anharmonicity constant |
|
anharmonic vibrator |
|
anisotropic |
|
anisotropic particles |
|
anisotropic plasma |
|
anisotropy |
|
annealing |
|
annihilation |
|
annual |
|
annual aberration |
|
annual anomaly |
|
annual motion |
|
annual parallax |
general |
annual precession |
total |
annual proper motion |
|
annual variation |
|
annular |
|
annular aperture |
|
annular eclipse |
|
annularity |
|
annular micrometer |
|
annular phase |
per |
annum |
to train on to |
an object |
focusing |
anode |
refraction |
anomalies |
|
anomalistic |
|
anomalistic month |
|
anomalistic period |
|
anomalistic year |
|
anomalous absorption |
|
anomalous coupling |
|
anomalous dispersion |
|
anomalous g-Value |
|
anomalous intensity |
|
anomalous Zeeman effect |
Wood's |
anomaly |
|
antalgol star |
от |
antapex |
|
antapices |
|
Antarctic Circle |
Yagi |
antenna |
|
antenna area |
|
antenna array |
|
antenna base line |
|
antenna beam |
|
antenna beamwidth |
|
antenna diagram |
|
antenna directivity |
|
antennae |
|
antenna efficiency |
feed |
antenna feed |
|
antenna feeder |
|
antenna gain |
|
antenna line |
|
antenna pattern |
|
antenna relation |
|
antenna resolving power |
array of Yagi |
antennas |
|
antenna sensitivity |
|
antenna separation |
|
antenna simple antenna |
|
antenna smoothing |
|
antenna spacing |
|
antenna specification |
|
antenna spillover |
interferometer |
antenna system |
|
antenna tapering |
|
antenna temperature |
|
antenna temperature distribution |
|
antenna terminals |
|
antenna transmission line |
|
anterior chamber |
|
anti-blooming |
|
antibonding electron |
|
antibonding orbital |
galactic |
anticenter |
|
anticenter direction |
|
anticenter observations |
|
anticenter region |
|
anticentral |
|
anticentral peak |
|
anticlockwise |
|
anticrepuscular arc |
|
antiglow |
|
antihalo |
|
antimatter |
|
anti-reflection coating |
|
antireflection film |
|
anti-Stokes lines |
|
antisymmetric |
|
antisymmetric eigenfunction |
|
antisymmetric level |
|
Antoniadi scale |
|
Antu |
|
anysotropy |
|
Apache point observatory |
|
apastron |
|
aperiodic motion |
un-filled |
aperture |
|
aperture angle |
unfilled |
aperture antenna |
|
aperture diameter |
|
aperture diaphragm |
|
aperture effect |
|
aperture efficiency |
full |
aperture filter |
synthetic |
aperture radar |
|
aperture ratio |
technique of unfilled |
apertures |
|
aperture stop |
|
aperture synthesis |
|
aperture synthesis antenna |
Cambridge optical |
aperture synthesis array |
|
aperture synthesis interferometer |
|
aperture synthesis method |
|
aperture synthesis observations |
|
aperture-synthesis principle |
|
aperture-synthesis system |
от |
apex |
|
aphelia |
|
aphelic distance |
at |
aphelion |
|
aphelion distance |
|
aphelion speed |
|
aphelion velocity |
|
apices |
|
aplanat |
|
aplanatic |
|
aplanatic condition |
|
aplanatic optics |
|
aplanatic sphere |
Schmidt |
aplanatic sphere camera |
|
aplanatic telescope |
|
apocenter |
|
apochromat |
|
apochromatic lens |
|
apodization |
at |
apogee |
|
apogee distance |
registering |
apparatus |
|
apparatus function |
|
apparent |
|
apparent absorption |
|
apparent absorption coefficient |
|
apparent altitude |
|
apparent angle of elevation |
|
apparent (blackbody) disk temperature |
|
apparent bolometric magnitude |
|
apparent brightness |
|
apparent celestial sphere |
|
apparent color |
|
apparent coordinates |
|
apparent diameter |
|
apparent disk |
|
apparent elevation |
|
apparent equinox |
|
apparent expansion |
|
apparent field of view |
limiting |
apparent magnitude |
|
apparent motion |
|
apparent noon |
|
apparent orbit |
|
apparent path of the Moon |
|
apparent photographic magnitude |
|
apparent photored magnitude |
|
apparent photovisual magnitude |
|
apparent place |
reduction from |
apparent place to mean place |
|
apparent position |
|
apparent radiant |
|
apparent radiometric magnitude |
|
apparent rotation by refraction of field |
|
apparent sidereal time |
|
apparent size |
|
apparent (solar) time |
|
apparent sunspot area |
|
apparent temperature |
|
apparent temperature of the Sun |
|
apparent visual magnitude |
|
apparition |
telescopic |
appearance |
|
appearance potential |
|
Appleton layer |
|
application of correction |
|
applied photography |
to |
apply correction for... |
close |
approach |
|
approach velocity |
|
approximate position |
Rayleigh-Jeans |
approximation |
|
appulse |
|
apse |
|
apsidal motion |
line of |
apsides |
|
apsis |
|
aqueous humor |
|
arbitrarily polarized beam |
matter of |
arbitrariness |
minute of |
arc |
eruptive |
arch |
shutter |
arches |
Hubble data |
archive |
free-burning dc |
arc in air |
free-burning dc |
arc in vacuum |
|
arc minute |
|
arc second |
|
arc spectrum |
|
Arctic Circle |
effective |
area |
|
area corrected for foreshortening |
|
areal integral |
|
areal velocity |
law of |
areas |
|
Aresibo radio telescope |
|
Argelander step method |
Instituto |
Argentino de Radioastronomia |
|
argon |
|
argument of perihelion |
first point of |
Aries |
ангстрем |
Å |
|
arm |
|
armillary sphere |
|
arm of a cross |
bridging |
arm of luminous matter |
|
arm of reflectors |
new Moon in the old Moon's |
arms |
region |
around the pole |
two-aerial |
arrangement |
Very large |
array |
coded |
array mask |
broadside |
array of dipoles |
broadside |
array of half-wave dipoles |
|
array of Yagi antennas |
|
array of Yagis |
second |
art collision |
|
artificial |
|
artificial comet |
|
artificial Earth satellite |
|
artificial Earth satellite program(me) |
|
artificial gravitation |
|
artificial gravity |
|
artificial guide star |
|
artificial meteor |
|
artificial Moon satellite |
|
artificial planet |
|
artificial radiation belt |
unmanned |
artificial satellite |
|
artificial satellite orbit |
|
artificial star |
universe |
as a whole |
|
ascending |
longitude of the |
ascending node |
|
ascending node-perihelion angle |
|
ascending prominence |
declination and right |
ascension |
true right |
ascension at date |
right |
ascension circle |
relative right |
ascensions |
volcanic |
ash |
|
ashen light |
|
Asiago observatory |
|
aslrometric observations |
|
aspect |
|
aspheric |
|
aspheric(al) |
depth of |
asphericity |
|
aspheric plate |
|
assemble |
slow motion drive |
assembly |
Journal of British Astronomical |
Association |
|
Association of Universities for Research in Astronomy |
American |
Association of Variable Star Observers |
|
assumed apex |
|
assumed radius |
|
asterism |
|
asteroid |
|
asteroidal |
|
asteroidal meteors |
|
asteroid belt |
|
asteroid orbit |
family of |
asteroids |
|
asteroid zone |
|
astigmatic |
|
astigmatism |
|
astral |
|
astrobiology |
|
astrobotany |
|
astrocamera |
|
astro-compass |
|
astrodynamic |
|
astrodynamics |
Instituto de |
Astrofisica de Canarias |
|
astrognosy |
meniscus |
astrograph |
|
astrographic camera |
|
astrographic telescope |
Danjon |
astrolabe |
|
astrolabe observations |
|
astrologer |
|
astrology |
|
astrometric |
|
astrometric eyepiece |
|
astrometric observatory |
|
astrometric reflector |
|
astrometric telescope |
photographic |
astrometry |
|
Astrometry division |
|
astronaut |
|
astronautical |
|
astronautical objective |
|
astronautics |
|
astronavigation |
stellar |
astronomer |
|
Astronomer Royal |
|
astronomic(al) |
|
astronomical aberration |
Journal of British |
Astronomical Association |
|
astronomical body |
|
astronomical calculations |
|
astronomical calendar |
|
astronomical camera |
|
astronomical climate |
|
astronomical clock |
system of |
astronomical constants |
|
astronomical coordinates |
|
astronomical coordinate system |
|
astronomical data |
|
Astronomical Data Center |
|
astronomical day |
|
astronomical dictionary |
|
astronomical distances |
|
astronomical experiments |
radio |
astronomical explorations |
|
astronomical guiding |
|
astronomical history |
|
astronomical information |
|
astronomical institute |
|
astronomical instruments |
|
astronomical knowledge |
|
astronomical latitude |
|
astronomical literature |
|
astronomically |
radio |
astronomical method |
|
astronomical methods |
|
astronomical navigation |
|
astronomical object |
|
astronomical observations |
South African |
astronomical observatory |
|
astronomical optics |
|
astronomical parameters |
|
astronomical phenomena |
|
astronomical photoelectric photometry |
|
astronomical photograph |
|
astronomical photography |
|
astronomical photometer |
|
astronomical photometry |
|
astronomical problems |
|
astronomical quantities |
|
astronomical radar |
|
astronomical radar work |
|
astronomical radio frequencies |
|
astronomical radio waves |
|
astronomical reference system |
|
astronomical refraction |
|
astronomical refractor |
|
astronomical research |
|
astronomical research project |
|
astronomical satellite |
|
astronomical scintillation |
|
astronomical seeing |
|
astronomical sign |
|
astronomical societies |
Royal |
Astronomical Society |
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Astronomical Society of Pacific |
Publication of the |
Astronomical Society of the Pacific |
|
astronomical source |
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astronomical spectrograph |
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astronomical spectrophotometry |
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astronomical spectroscopy |
radio |
astronomical station |
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astronomical studies |
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astronomical symbols |
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astronomical tables |
|
astronomical target |
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astronomical techniques |
Central Bureau for |
Astronomical Telegrams |
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astronomical telescope |
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astronomical term |
|
astronomical terminology |
Greenwich mean |
astronomical time |
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astronomical time scale |
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astronomical tool |
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astronomical triangle |
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astronomical tube |
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astronomical twilight |
International |
Astronomical Union |
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astronomical unit |
|
astronomical universe |
radio |
(astronomical) work |
|
astronomical work |
Observatorio |
Astronomico Nacional |
Institut de radio |
astronomie millimetrique |
Centre de Donnees |
astronomiques de Strasbourg |
Center for High Angular Resolution |
Astronomy |
radio |
astronomy allocation |
Nuffield Radio |
Astronomy Laboratory |
radio |
astronomy method |
National Optical |
Astronomy Observatories |
Mullard Radio |
Astronomy Observatory |
radio |
astronomy receiver |
Particle Physics and |
Astronomy Research Council |
radio |
astronomy technique |
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astrophotography |
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astrophotometer |
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astrophotometry |
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astrophysical |
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astrophysical institute |
|
astrophysical instruments |
|
astrophysical observations |
Smithsonian |
astrophysical observatory |
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astrophysical problems |
|
astrophysical research |
Southern |
astrophysical research telescope |
National Center for Radio |
Astrophysics |
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Astrophysics division |
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astrospectroscopy |
|
astrovelocimeter |
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Asundi band |
stellar remnant of |
a supernova |
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asymmetrical(-class) telescope |
|
asymmetrical distortion |
|
asymmetrical mounting |
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asymmetric(al) top |
|
asymmetric-top molecule |
east-west |
asymmetry |
|
Atacama large millimeter array |
Cornell |
Atacama telescope |
|
at aphelion |
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at apogee |
true place |
at date |
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at full moon |
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at ground level |
half width |
at half maximum |
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at high latitudes |
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at infrared |
star |
atlas |
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at low latitudes |
sidereal time |
at mean midnight |
noise radiation from |
atmosphere |
absorption, |
atmospheric |
|
atmospheric absorption |
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atmospheric air |
|
atmospheric(al) conditions |
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atmospheric attenuation |
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atmospheric bands |
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atmospheric circulation belts |
active |
atmospheric compensation |
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atmospheric constituents |
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atmospheric corrections |
|
atmospheric density |
|
atmospheric depth |
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atmospheric diffusion coefficient |
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atmospheric dispersion |
|
atmospheric dynamo |
|
atmospheric effect |
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atmospheric emission |
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atmospheric extinction |
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atmospheric Fs |
|
atmospheric heating |
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atmospheric lines |
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atmospheric O 2 band |
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atmospheric optics |
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atmospheric parameters |
|
atmospheric perturbation |
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atmospheric phenomenon |
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atmospheric pressure |
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atmospheric properties |
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atmospheric radiation |
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atmospheric refraction |
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atmospheric refraction effects |
sudden enhancement of |
atmospherics |
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atmospheric scattering |
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atmospheric scintillation |
|
atmospheric seeing |
|
atmospheric structure |
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atmospheric temperature |
|
atmospheric turbulence |
|
atmospheric window |
Mars |
at near approach |
mass of hydrogen |
atom |
|
atomic |
|
atomic absorption coefficient |
|
atomical source |
gaseous |
atomic-beam light source |
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atomic-beam method |
|
atomic beam resonance spectroscopy |
|
atomic clock |
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atomic constants |
|
atom(ic) energy |
|
atomic energy levels |
|
atomic excitation |
|
atomic fluorescence |
|
atomic heat of formation |
|
atomic hydrogen |
|
atomic hydrogen emission |
|
atomic lifetime |
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atomic line |
|
atomic mass |
|
atomic molecule |
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atomic multiplet |
|
atomic nucleus |
|
atomic number |
|
atomic orbit |
|
atomic orbital |
|
atomic partition function |
|
atomic radius |
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atomic spectrum |
|
atomic state |
odd |
atomic term |
international |
atomic time |
|
atomic time scale |
mean |
atomic weight |
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atomic-weight unit |
|
atom model |
|
atom transition |
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at perihelion |
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at sea level |
tracking |
at sidereal rate |
|
attachment |
total zenith |
attenuation |
filter |
attenuation band |
synodic period of rotation |
at the equator |
|
at the prime focus |
|
at the subsolar point |
|
attract |
force of |
attraction |
|
attraction center |
|
attractive force |
|
attractive interaction |
|
attractive potential curve |
|
A-type star |
solar |
aureole |
от |
aurora |
|
aurora australis |
|
aurora borealis |
|
aurorae |
|
auroral |
|
auroral absorption |
|
auroral acceleration mechanism |
|
auroral arc |
|
auroral band |
|
auroral blackout |
|
auroral breakup |
|
auroral corona |
|
auroral crown |
|
auroral display |
|
auroral echo |
|
auroral emission |
|
auroral latitude |
|
auroral line |
|
auroral particles |
|
auroral primaries |
|
auroral primary particles |
|
auroral rays |
|
auroral spectrum |
|
auroral storm |
|
auroral transitions |
|
auroral zone |
|
Australia telescope |
aurora |
australis |
|
autocollimating spectrograph |
|
autocollimation |
|
autocorrelation function |
|
autocorrelator |
|
autoexcitation |
|
autoguider |
|
autoionization |
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automatic control |
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automatic development |
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automatic drive |
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automatic focusing |
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automatic interplanetary station |
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automatic measuring machine |
|
automatic observatory |
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automatic processing |
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automatic programmer |
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automatic recording device |
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automatic reversal system |
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automatic telescope |
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automatic tracking |
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automatic transit circle |
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autosyn |
|
autumn |
|
autumnal equinoctial point |
|
autumnal equinox |
|
autumnal equinox point |
|
auxiliary apparatus |
|
auxiliary equipment |
|
auxiliary instrumentation |
|
auxiliary instruments |
lens |
auxiliary lens |
|
auxiliary mirror |
|
auxiliary telescope |
|
available observations |
|
available power |
|
avalanche photo-diode |
|
average |
|
average brightness |
|
average coefficient |
|
average duration |
|
average error |
|
average intensity |
|
average magnitude |
|
average refraction |
correction for |
average refraction effect |
|
average speed |
|
averaging |
|
averaging time |
|
averted hemisphere |
|
averted side |
|
averted vision |
|
aviation astronomy |
zone of |
avoidance |
universe as |
a whole |
rectangular |
axes |
|
axial |
|
axial distribution |
|
axial inclination |
|
axially symmetric |
|
axially symmetric field |
|
axially symmetric problem |
|
axial ray |
|
axial rotation |
|
axial rotation period |
|
axial spin |
|
axial tilt |
semi minor |
axis |
crossed |
(axis) interferometer |
cross |
axis mounting |
two-fold |
axis of symmetry |
polar |
axle |
|
axysimmetric |
Bolshoj telescop |
azimutalnyi |
parallax in |
azimuth |
|
azimuthal |
|
azimuth(al) movement |
|
azimuthal quantum number |
|
azimuth axis |
|
azimuth error |
|
azimuth star |