Related by context. Frequent words. (Click for all words.) 64 planet orbits 64 WASP #b 63 orbits 63 orbiting 62 innermost planet 62 interplanetary spacecraft 62 highly elliptical orbit 62 radial velocity 61 star Gliese 61 gaseous planets 61 red supergiant 60 CoRoT 60 HD #b [002] 60 extrasolar 60 JPL manages 60 COROT 59 icy moons 59 Cancri 58 constellation Virgo 58 photosphere 58 habitable zones 58 asteroid Ceres 58 circular orbits 58 Jupiter Saturn 58 SIRTF 58 asteroid Vesta 58 planet Uranus 57 constellation Sagittarius 57 planet orbiting 57 HAT P 57 extrasolar planet 57 Oort Cloud 57 Andromeda galaxy 57 perihelion 57 Jupiter Saturn Uranus 57 Exoplanet 57 planets orbiting 57 orbiting Saturn 57 protoplanetary disk 57 celestial equator 56 super Earths 56 circular orbit 56 planets 56 Fomalhaut 56 Gamma ray bursts 56 Large Magellanic Cloud 56 GOES O 56 Lulin 56 Astronauts inspect 56 Kepler spacecraft 56 Lunar Reconnaissance Orbiter LRO 56 Uranus 56 moon Europa 56 Earthlike 56 stellar nurseries 56 terrestrial planets 56 Gliese #g 56 exosphere 56 NASA Kepler 55 spacecraft orbiting 55 heliopause 55 TrES 55 Kuiper Belt objects 55 brown dwarf 55 Oort cloud 55 Andromeda Galaxy 55 Milky Way Galaxy 55 asteroid Itokawa 55 geosynchronous 55 planets circling 55 microlensing 55 orbital 55 orbit 55 planetary nebulae 55 Venusian 55 planetoid 55 Gliese 55 ultraviolet wavelengths 55 OSIRIS REx 55 moon Enceladus 55 Chang'eI 54 orbited 54 elliptical orbit 54 magnetar 54 planetary 54 Cassini Huygens 54 Jupiter moons 54 distant galaxy 54 celestial object 54 orbited Earth 54 Mauna Kea Hawaii 54 protostar 54 Kuiper belt 54 Compton Gamma Ray 54 solar corona 54 By Sarah Trotto 54 habitable planet 54 twin rover Opportunity 54 outer planets 54 SMOS 54 New Horizons spacecraft