Related by context. Frequent words. (Click for all words.) 67 gaseous planets 66 Epsilon Eridani 65 extrasolar 64 Earthlike planets 64 radial velocity 64 WASP #b 63 rocky planets 62 habitable zones 62 icy moons 62 stellar nurseries 61 star Gliese 61 planetary nebulae 61 Kepler #b 61 super Earths 60 JPL manages 60 magnetars 60 red supergiant 60 ultraviolet wavelengths 60 gravitationally bound 60 planet orbits 60 planets orbiting 60 By Sarah Trotto 60 GALEX 59 terrestrial planets 59 constellation Lyra 59 habitable planets 59 Gamma ray bursts 59 By DON CUDDY 59 Magellanic Clouds 59 gravitational lens 59 galaxy NGC 59 planets circling 59 active galactic nuclei 59 planet orbiting 59 aurorae 59 CoRoT 7b 59 potentially habitable 59 brown dwarfs 59 By MIKE SACCONE 59 interplanetary spacecraft 58 photosphere 58 Kuiper Belt objects 58 brown dwarf 58 Exoplanet 58 Earthlike 58 gravitational interactions 58 By Laurie Kulikowski 58 circular orbits 58 infrared telescopes 58 planets orbiting stars 58 Jupiter Saturn 58 unaided eye 58 orbiting planets 58 HD #b [002] 57 By MIKE McKIBBIN 57 AGNs 57 Toutatis 57 hot Jupiters 57 Jupiter moons 57 Cepheids 57 polar orbits 57 solar corona 57 By ALLEN GEMAEHLICH 57 exosphere 57 Large Magellanic Cloud 57 planets 57 protoplanetary disk 57 Jupiter Saturn Uranus 57 By Riva Froymovich 57 shorter wavelengths 57 BY VINCENT MAO 57 constellation Taurus 57 elliptical orbits 57 MARCEL CRETAIN Winnipeg 57 Keck telescope 57 By GLENDA ANDERSON 57 By KENT MINCER 57 nebulae 57 elliptical galaxies 57 protostars 57 highly elliptical orbit 57 transiting planet 57 BY DONNA SMITH 56 microlensing 56 infrared wavelengths 56 noctilucent clouds 56 galactic cosmic rays 56 moon Europa 56 BY WENDY PITLICK Black 56 TrES 56 Kuiper belt 56 By AMY HAMILTON 56 heavily cratered 56 Regulatory Disclosure 56 astronomical objects 56 protoplanetary disks 56 orbits 56 COROT 56 By Katy Burne 56 Fomalhaut 56 By HARVEY SIMPSON