celestial sphere
Số nhiều: celestial spheres
Từ liên quan
firmamentskyearthgroundastronomystarplanetgalaxyuniversecosmoszenithnadirhorizonequatoreclipticmeridianright ascensiondeclinationaltitudeazimuthcoordinateorbitrotationrevolutionaxispolenorth polesouth poleconstellationzodiacasteroidcometmeteornebulaquasarpulsarsupernovalight yearparallaxmagnitudeluminosityspectrumtelescopeastrolabesextantobservatoryephemerisatlaschartmapprojectionspherecirclearcangledegreeminutesecondprecessionnutationsolsticeequinoxaphelionperihelionvacuumgravityplasmaphotondark matterdark energysingularityblack holewhite dwarfred giantmain sequencemilky wayandromedaclustervoid