Related by context. Frequent words. (Click for all words.) 60 WASP #b 58 orbits 57 photometry 57 gravitationally 57 circular orbit 57 solar corona 57 solar nebula 57 redshifts 56 electron density 56 planet orbits 56 spectrographs 56 accretion disk 56 ionized gas 55 galaxy cluster 55 Uranus 55 HD #b [002] 54 Andromeda galaxy 54 perigee 54 COROT 54 Oort Cloud 54 redshift 54 meteoroid 54 magnetosphere 54 GPa 54 spacetime 54 ejecta 53 superfluid 53 dwarf galaxy 53 polar vortex 53 observable universe 53 GeV 53 optical wavelengths 53 gravitational attraction 53 planetoid 53 anisotropy 53 orbitals 53 electron spins 53 Cepheids 53 Earth magnetosphere 53 visible wavelengths 53 elliptical orbit 53 planetesimals 53 spacecraft orbiting 53 lunar soil 53 meteoroids 53 occultation 53 heliosheath 53 interferometers 52 Kuiper belt 52 Venusian 52 muon 52 -# ° C [001] 52 Martian equator 52 interplanetary spacecraft 52 Crab Nebula 52 active galactic nuclei 52 innermost planet 52 orbiting Saturn 52 comet nucleus 52 spatial dimensions 52 dynamical 52 interstellar dust 52 heliosphere 52 oxygen atom 52 Fomalhaut 52 interferometer 52 galaxy formation 52 photonic crystal 52 crystal lattice 52 morphologies 52 brown dwarfs 52 emissivity 52 shorter wavelengths 52 Voyager spacecraft 52 keV 52 planets orbiting 51 radial velocity 51 z = 51 Large Magellanic Cloud 51 geomagnetic field 51 isotopic composition 51 interferometry 51 deuterium 51 kelvin 51 habitable planets 51 habitable zones 51 planets 51 Phobos 51 outer planets 51 exciton 51 distant galaxy 51 star Gliese 51 celestial bodies 51 super Earths 51 extrasolar planet 51 Cancri 51 spiral galaxy 51 Jupiter Saturn Uranus 51 solar irradiance 50 terrestrial planets 50 rocky planets