Related by context. Frequent words. (Click for all words.) 47 extrasolar planet 45 exoplanet 44 astronomer 43 exoplanets 42 Kepler 42 Borucki 42 Carnegie Institution 42 extrasolar planets 41 Lowell Observatory 40 astrobiologist 40 Cassini imaging 40 paleoanthropologist 40 super Earths 39 planetary scientist 39 infrared telescope 39 Sedna 39 Phil Plait 38 Astrobiology 38 rocky planets 38 HD #b [002] 38 planets orbiting 38 scientists 38 A'Hearn 37 asteroid 37 Planetary Science 37 palaeontologist 37 geochemist 37 discoverer 37 Gliese 37 astrophysicist 37 planet orbiting 37 Astrophysical Journal 37 astronomers 37 theoretical physicist 37 Astrophysics 37 atmospheric sciences 37 XMM Newton 37 WM Keck Observatory 36 NASA Astrobiology Institute 36 SETI Institute 36 paleontologist 36 biologist 36 evolutionary biologist 36 Astronomer 35 Royal Astronomical Society 35 astrophysicists 35 theoretical physicists 35 UB# [003] 35 Saturn moon 35 Astronomers 35 astronomy 34 physicists 34 worthy adversary 34 Astrophysical Journal Letters 34 terrestrial planets 34 habitable zone 34 palaeontologists 34 physicist 34 Paleontologist 34 planetary sciences 34 Einstein theory 34 cosmologist 34 planetary science 34 Saturn moons 34 geoscientist 33 astronomical observations 33 telescope 33 Planetary Laboratory 33 Johannes Kepler 33 astrobiology 33 atmospheric scientist 33 herpetologist 33 hot Jupiters 33 geological sciences 33 optical telescopes 33 interferometer 33 brown dwarfs 32 gravitational lensing 32 scientist 32 spectroscopic 32 observatory 32 paleontologists 32 asteroids 32 journal Geophysical Research 32 Jet Propulsion Laboratory 32 Charon 32 astrophysics 32 botanist 32 NASA Goddard 32 telescopes 32 Spitzer Space Telescope 32 ecologist 32 amateur astronomers 32 observatories 31 SETI 31 neutrino 31 Astronomy 31 ESO Very Large Telescope 31 zoologist 31 planets 31 geophysicists