G stars
/ / / G stars / /
Gaint Magellan telescope(GMT)
/ / / Gaint Magellan telescope(GMT) / /
Gaint star
/ / / Gaint star / /
galatea
/ / / galatea / /
galaxy
/ / / galaxy / /
Galileo Galilei
/ / / Galileo Galilei / /
Galileo orbiter
/ / / Galileo orbiter / /
Gamma casseopiae variable stars
/ / / Gamma casseopiae variable stars / /
Gamma ray
/ / / Gamma ray / /
Gamma ray burst(GRB)
/ / / Gamma ray burst(GRB) / /
ganymede
/ / / ganymede / /
Gaspra
/ / / Gaspra / /
Gaussian year
/ / / Gaussian year / /
GCVS
/ / / GCVS / /
Gegenschein
گگن شاین / / / Gegenschein / /
gemini
دوپیکر / دو قلو / توامان / gemini / twins / Gem
Geminid shower
/ / / Geminid shower / /
General relativity
/ / / General relativity / /
Geodetic effect
/ / / Geodetic effect / de Sitter effect /
Giant star
/ / / Giant star / /
Gioto spacecraft
/ / / Gioto spacecraft / /
Glast space telescope
/ / / Glast space telescope / Fermi Gamma-ray Space Telescope /
Global positioning system(GPS)
/ / / Global positioning system(GPS) / /
Globular cluster
/ / / Globular cluster / /
Glonass
/ / / Glonass / /
GO TO
/ / / GO TO / /
Gran canaris telescope
/ / / Gran canaris telescope / GTC /
Gravitational lens
/ / / Gravitational lens / /
Gravity
/ / / Gravity / /
Greenwich observatory
/ / / Greenwich observatory / /
Gregorian telescope
/ / / Gregorian telescope / /
grus
قو / / / grus / crane / Gru
Guide scope
گاید اسکوپ / / / Guide scope / /
Guidescope mount
/ / / Guidescope mount / /
Alphekka
ستاره آلفا تاج / / / Alphekka / Alphecca / Gemma
camelopardalis
/ / / camelopardalis / giraffe / Cam
Mu cephi
/ / / Mu cephi / garnet star /
open cluster
/ / / open cluster / galactic cluster /