Related by context. Frequent words. (Click for all words.) 61 Udry 54 astronomical observations 53 CfA 53 super Earths 53 Higgs particle 53 habitable planet 52 exoplanets 52 DZero 52 geochemists 52 radial velocity 52 astrophysicists 52 extrasolar planets 52 Niels Bohr Institute 51 William Borucki 51 Astrophysicists 51 potentially habitable 51 exoplanet 51 physicists 50 extrasolar planet 50 Cosmologists 50 rocky planets 50 Lunine 50 Nicolaus Copernicus 50 journal Astronomy 50 Earthlike 50 Gliese #g 50 astronomers 50 HD #b [002] 49 planet orbiting 49 Hubble observations 49 Jupiter moons 49 Extraterrestrial Physics 49 planets orbiting 49 science journal Nature 49 Johannes Kepler 49 habitable planets 49 Southern Observatory ESO 49 VIRTIS 49 planetary nebulae 49 astronomer 49 Mauna Kea Hawaii 49 perihelion 49 Paul Dirac 49 Filippenko 49 WASP #b 49 COROT 48 particle physics laboratory 48 particle physicist 48 Ecole Polytechnique Federale de 48 Einstein theories 48 Astrophysical Journal Letters 48 Cancri 48 Frank Jordans contributed 48 microlensing 48 Astrophysical Journal 48 Cassini Huygens 48 Planetary Science Institute 47 Type Ia supernovae 47 Svante Paabo 47 Kuiper belt 47 Cassini imaging 47 Lutetia 47 Galaxy Evolution 47 journal Angewandte Chemie 47 HARPS 47 negative refraction 47 paleoanthropologist 47 planets circling 47 Rignot 47 Cepheids 47 planets 47 LHC experiments 46 NASA Kepler 46 Astrophysics CfA 46 noctilucent clouds 46 Gravity Recovery 46 Carnegie Institution 46 astronomical objects 46 ultraviolet wavelengths 46 dwarf galaxies 46 Poinar 46 supersymmetry 46 particle physicists 46 vertebrate animals 46 cosmologists 46 meteorite impacts 46 moon Charon 46 boson 46 elemental composition 46 Keck Observatory 46 habitable zones 46 Neuchâtel 46 scientists 46 La Silla Chile 46 Tubingen 46 God Particle 46 WM Keck Observatory 46 terrestrial planets 46 moon Europa 46 theoretical physicists 46 powerful particle accelerator