Home›Celestial ObjectsCategoryCelestial Objects105 entries. Click any to see everything it connects to.Reference entries for the Sun, planets, moons, dwarf planets and small bodies of the solar system, held here as the atlas's own record of what these objects are, alongside the missions, spacecraft and observers that studied them.BrowseCompareCompare At A Past YearEnter a year to compare these entries as the atlas records them at that moment. Leave it empty for the present. A year before the common era is entered with a minus sign, so 44 BCE is minus 44.Show This YearSelect all 10551 Pegasi bExoplanet1 link67P/Churyumov-GerasimenkoPeriodic Comet3 linksAchernarStar1 linkAldebaranRed Giant Star1 linkAlpha CentauriTriple Star System2 linksAltairStar1 linkAndromeda GalaxyGalaxy1 linkAntaresStar1 linkApophisNear-Earth Asteroid2 linksArcturusRed Giant Star1 linkArielMoon of Uranus1 linkArrokothKuiper Belt Object2 linksAsteroid BeltRegion of the Solar System1 linkBarnard's StarRed Dwarf Star1 linkBennuNear-Earth Asteroid2 linksBetelgeuseRed Supergiant Star1 linkCallistoMoon of Jupiter2 linksCanopusStar1 linkCarina NebulaStar-Forming Nebula1 linkCat's Eye NebulaPlanetary Nebula1 linkCentaurus AGalaxy1 linkCeresDwarf Planet3 linksCharonMoon of Pluto2 linksComet Hale-BoppPeriodic Comet2 linksComet HyakutakeLong-Period Comet1 linkComet NEOWISELong-Period Comet2 linksCrab NebulaSupernova Remnant1 linkCygnus X-1Stellar-mass Black Hole1 linkDeimosMoon of Mars2 linksDenebBlue Supergiant Star1 linkDioneMoon of Saturn1 linkEagle NebulaOpen Cluster and Nebula1 linkEarthCelestial Objects2 linksEnceladusMoon of Saturn2 linksErisDwarf Planet3 linksErosNear-Earth Asteroid1 linkEta CarinaeMassive Star System1 linkEuropaMoon of Jupiter2 linksGanymedeMoon of Jupiter2 linksHalley's CometPeriodic Comet1 linkHaumeaDwarf Planet2 linksHelix NebulaPlanetary Nebula1 linkHorsehead NebulaDark Nebula1 linkHygieaAsteroid1 linkHyperionMoon of Saturn1 linkIapetusMoon of Saturn2 linksIoMoon of Jupiter2 linksJunoAsteroid1 linkBanded Disc with a Great SpotJupiterCelestial Objects5 linksKepler-186fExoplanet1 linkKepler-452bSuper-Earth Exoplanet Candidate1 linkKuiper BeltTrans-Neptunian Region1 linkLarge Magellanic CloudDwarf Galaxy2 linksMakemakeDwarf Planet2 linksCratered DiscMarsCelestial Objects5 linksMercuryCelestial Objects1 linkMessier 87Supergiant Elliptical Galaxy1 linkMilky WayGalaxy2 linksMimasMoon of Saturn2 linksMirandaMoon of Uranus2 linksNeptuneCelestial Objects3 linksOberonMoon of Uranus1 linkOort CloudTheorized Region of the Solar System1 linkOrion NebulaStar-Forming Nebula1 link'OumuamuaInterstellar Object2 linksPallasAsteroid2 linksPhobosMoon of Mars2 linksPhoebeMoon of Saturn1 linkPinwheel GalaxySpiral Galaxy1 linkDisc with a Heart-Shaped RegionPlutoDwarf Planet5 linksPolarisCepheid Variable Star1 linkPolluxRed Giant Star1 linkProxima CentauriRed Dwarf Star3 linksProxima Centauri bExoplanet2 linksPsycheAsteroid1 linkRheaMoon of Saturn2 linksRigelBlue Supergiant Star1 linkRing NebulaPlanetary Nebula1 linkRyuguNear-Earth Asteroid1 linkSagittarius A*Supermassive Black Hole5 linksRinged PlanetSaturnCelestial Objects8 linksSiriusBinary Star System1 linkSmall Magellanic CloudDwarf Galaxy1 linkSombrero GalaxyPeculiar Galaxy1 linkRadiating DiscSunCelestial Objects14 linksTarantula NebulaStar-Forming Nebula1 linkTethysMoon of Saturn2 linksThe MoonEarth's Natural Satellite2 linksDisc within a Hazy HaloTitanMoon of Saturn4 linksTitaniaMoon of Uranus2 linksTON 618Quasar1 linkTRAPPIST-1Red Dwarf Star1 linkTRAPPIST-1eExoplanet1 linkTriangulum GalaxySpiral Galaxy1 linkTritonMoon of Neptune2 linksUmbrielMoon of Uranus1 linkUranusCelestial Objects4 linksUY ScutiRed Supergiant Star1 linkVegaStar1 linkVenusCelestial Objects1 linkVestaAsteroid2 linksVY Canis MajorisRed Hypergiant Star1 linkWASP-12bExoplanet1 linkWhirlpool GalaxySpiral Galaxy1 linkWolf 359Red Dwarf Star1 link