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Revkin 40 Comet Hartley 40 Nasa Mars Odyssey 40 postflight 40 Deep Impact eXtended Investigation 40 Infrared Array Camera 40 Mike Suffredini NASA 40 Chairman G. 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Geophys 38 iTWire 38 AFOSR 38 airglow 38 Ed Weiler NASA 38 MMT Observatory 38 NASA Mars Odyssey 38 Mars orbiting spacecraft 38 Mars Reconnaissance Orbiter 38 cosmic microwave background 38 X ray spectrometer 38 lunar equator 38 Kepler spacecraft 38 Kirk Shireman NASA 38 Deke Slayton 38 Garret Reisman 38 telescope 38 planets orbiting distant 38 Context Camera 38 WISE infrared 38 FORCAST 38 aurorae 38 ionospheric 38 Martian atmosphere 38 NASA Heliophysics Division 38 Comet #P/Churyumov-Gerasimenko 38 Martian crater 38 blazars 38 extraterrestrial civilizations 38 Richard Grammier 38 http:/www.nasa.gov/cassini 38 Gusev crater 38 QMI Agency 38 Ocean Salinity 38 Mars Orbiter 38 Shannon Lucid 38 Nima Arkani Hamed 38 spokesperson Allard Beutel 38 principal investigator 38 robotic rovers 38 Rusty Schweickart 38 television station KRIV 38 Spectrograph 38 David Southwood ESA 38 ScienceNow 38 IceCube 38 Shenzhou V 38 Centre VSSC 38 exoplanet 38 HiRISE image 38 thin crescent 38 +#-#-#-# @ nasa.gov 38 AFP 38 ESA ASI 38 neutron spectrometer 38 celestial bodies 38 Spitzer Space Telescope 38 manned lunar landing 38 amateur astronomers 38 AMSAT 38 Viking Lander 38 Reflection Radiometer 38 Shenzhou spacecraft 38 mesosphere 38 ray Space Telescope 38 spokesman Kiyotaka Yashiro 38 Asteroid Belt 38 lunar orbits