atmospheric |
O 2 band |
|
O association |
|
obiateness |
deep sky |
object |
|
object glass |
|
object-glass |
|
object illumination |
wide-angle |
objective |
|
objective cell |
|
objective classification |
|
objective grating |
|
objective lens |
|
object(ive) mirror |
|
objective prism |
|
objective-prism camera |
|
objective-prism spectrum |
|
object under observation |
|
oblateness |
|
oblate spheroid |
|
oblate symmetric top |
precession in |
obliquity |
|
obliquity of ecliptic |
|
obliquity of the ecliptic |
|
O-branch |
optical |
obscuration |
zone of |
obscuration of external galaxies |
|
obscuring clouds |
dark |
obscuring lane |
|
obscuring matter |
|
observable |
|
observable object |
|
observable sources |
|
observable universe |
weight of |
observation |
|
observation airborne observation |
|
observational |
|
observational astronomy |
to process the |
observational data |
|
observational details |
|
observational error |
|
observational evidence |
|
observational material |
|
observational method |
|
observational procedures |
|
observational program(me) |
|
observational radio astronomy |
|
observational results |
|
observational selection |
|
observational technique |
|
observational test |
|
observational uncertainty |
|
observational work |
|
observation floor |
false |
observations |
|
observations in right ascension |
radar |
observations of solar system |
|
observations with telescopes |
|
observation time |
|
Observatoire de Haute Provence |
|
observatorial selection |
National Optical Astronomy |
Observatories |
|
Observatorio Astronomico Nacional |
|
Observatorio del Rogue de los Muchachos |
|
Observatorio del Teide |
Zelenchukskaya |
observatory |
|
observatory building |
|
observatory clock |
|
observatory dome |
Royal |
observatory, Edinburgh |
Royal |
observatory, Greenwich |
choosing of |
observatory site |
|
observatory site selection |
|
observatory site survey |
Palomar |
observatory sky survey |
|
observe |
|
observed |
|
observed altitude |
|
observed motion |
|
observed object |
|
observed position |
|
observed radiation |
|
observed ratio |
|
observed star |
|
observed velocity |
terrestrial |
observer |
|
observer personal equation |
American Association of Variable Star |
Observers |
|
observer's cage |
|
observer's cell |
|
observer's chair |
|
observer's horizon |
|
observer's meridian |
|
observer's position |
|
observer's station |
solar |
observing |
|
observing chair |
|
observing conditions |
|
observing expedition |
|
observing frequency |
|
observing instruments |
|
observing night |
|
observing platform |
|
observing point |
coude |
(observing) position |
prime |
observing position |
|
observing program(me) |
|
observing room |
|
observing seat |
|
observing site |
robot |
observing station |
|
observing technique |
|
observing time |
|
observing tour |
|
occult |
|
occultation |
|
occulting disk |
visibility of |
occupation |
|
occupation by the Moon |
|
occupation curve |
|
occupation of radio star |
|
occupation of star |
frequency of |
occurence |
rate of |
occurrence |
|
oceсимметричная проблема |
|
Ockham's razor |
|
octant |
|
octet multiplet |
Ramsden |
ocular |
|
ocular prism |
|
odd |
|
odd atomic term |
|
odd-odd nucleus |
|
odd spot cycle |
state |
odd state |
|
oersted |
telescope, invention |
of |
on the fringe |
of... |
overlap |
of absorption lines |
equinox |
of a catalogue |
arm |
of a cross |
quantum |
of action |
center |
of activity |
remnants of the supernova |
of A. D. |
star |
of advancing spectral type |
effect |
of aging |
circle |
of altitude |
resolution |
of a nebula |
precession |
of angular momentum |
calibration |
of antenna |
plane |
of aperture |
line |
of apsides |
matter |
of arbitrariness |
minute |
of arc |
law |
of areas |
first point |
of Aries |
longitude |
of ascending node |
depth |
of asphericity |
family |
of asteroids |
system |
of astronomical constants |
techniques |
of astronomy |
stellar remnant |
of a supernova |
sudden enhancement |
of atmospherics |
force |
of attraction |
zone |
of avoidance |
isotropic component |
of background radiation |
scheme |
of band heads |
hading |
of bands |
limit |
of band series |
|