Related by context. Frequent words. (Click for all words.) 56 JPL manages 53 Galaxy Evolution 53 protoplanetary disks 53 extrasolar 52 Spitzer Space Telescope 52 Keck telescope 51 Credit NASA JPL 51 Wilkinson Microwave Anisotropy Probe 50 STScI 50 credit NASA JPL 50 Steward Observatory 50 Earthlike planets 49 Lunar Prospector 49 SIRTF 48 Carnegie Observatories 48 Jet Propulsion Lab 48 CfA 48 XMM Newton 48 Diviner 48 Keck Observatory 48 interstellar clouds 48 Adaptive Optics 47 J. Geophys 47 nebulae 47 Cepheids 47 NASA Cassini 47 Exoplanet 47 Postdoctoral Fellow 47 WASP #b 47 supernova remnants 47 protostars 47 Astrophysicist 47 Eagle Nebula 47 Cassini scientist 47 stellar nurseries 47 nicknamed Xena 46 infrared telescope 46 icy moons 46 Mauna Kea Hawaii 46 extrasolar planets 46 NASA Chandra 46 Lick Observatory 46 Jet Propulsion Laboratory JPL 46 particle detectors 46 WM Keck Observatory 46 X ray telescopes 46 Planetary Science Institute 46 habitable planets 46 active galactic nuclei 46 elemental composition 46 NASA Kepler 46 terrestrial planets 46 quasars 46 Astrophysicists 45 red supergiant 45 solar corona 45 journal Icarus 45 noctilucent clouds 45 planetary geologist 45 National Optical Astronomy 45 photometer 45 Oscillations 45 Martian dust 45 Gamma ray bursts 45 spectroscopic 45 astronomer 45 Pancam 45 coronagraph 44 nanosensor 44 planetary nebulae 44 NASAs 44 spectrographs 44 Nasa Jet Propulsion 44 metallicity 44 infrared wavelengths 44 protostar 44 interferometric 44 NASA JPL Caltech 44 Mini SAR 44 Crab Nebula 44 Carina Nebula 44 infrared spectroscopy 44 supernova explosions 44 Planetary Physics 44 NASA Fermi Gamma 44 elliptical galaxies 44 gravitational wave 44 extrasolar planet 44 ESO Very Large Telescope 44 astronomical telescope 44 Chandra X ray 44 astronomical objects 44 protoplanetary disk 44 National Astronomical Observatory 44 Mars Pathfinder 44 Lunine 44 scanning tunneling microscope 44 Pan STARRS 44 Earthlike 43 Very Large Array 43 Filippenko