Related by context. Frequent words. (Click for all words.) 59 magma ocean 59 extrasolar 58 JPL manages 56 WASP #b 56 IntergalaticEarth 56 exosphere 56 tidally locked 56 heavily cratered 55 planet Uranus 55 gravitational lens 55 photosphere 55 elongated orbit 55 Kepler #b 54 highly elliptical orbit 54 CoRoT 7b 54 Oort Cloud 54 Oort cloud 54 Jupiter moon Io 54 earthshine 54 perihelion 54 anthropic principle 54 Exoplanet 53 HD #b [002] 53 Beta Pictoris 53 BY VINCENT MAO 53 carbonate minerals 53 AP Interview CG 53 geoid 53 AGNs 53 Gliese #g 53 celestial equator 53 Earthlike 53 polar caps 53 planet orbits 53 innermost planet 53 moonlet 53 red supergiant 53 Goldilocks zone 52 tropopause 52 admiral asks 52 substorm 52 Quaoar 52 Type Ia supernova 52 gravitational radiation 52 lunar craters 52 habitable planet 52 chondrites 52 protoplanetary disk 52 lithosphere 52 El Nino Southern Oscillation 52 galactic cosmic rays 51 magnetar 51 ray Space Telescope 51 microlensing 51 transiting planet 51 planet orbiting 51 planetary nebulae 51 pseudogap 51 moon Enceladus 51 obliquity 51 Herschel Space 51 permanently shadowed craters 51 CoRoT 51 constellation Virgo 51 Phaethon 51 Heisenberg uncertainty principle 51 Saturn magnetosphere 51 La Silla Chile 51 pyroxene 51 stellar nurseries 50 Nibiru 50 accretion disk 50 outer crust 50 Cepheids 50 Kuiper belt 50 NASA Spacecraft 50 Epsilon Eridani 50 elliptical orbits 50 icy moons 50 hydrological cycle 50 Snowball Earth 50 Sedna 50 aurorae 50 Gliese #d 50 mesosphere 50 gaseous planets 50 constellation Taurus 50 thermohaline circulation 50 imaging spectrometer 50 extrasolar planet 50 gravitational tug 50 teleology 50 equatorial 50 COROT 50 ellipsoid 50 noctilucent clouds 50 HAT P 50 Eta Carinae 50 elliptical orbit 50 Olympus Mons 50 Cancri