Related by context. Frequent words. (Click for all words.) 58 laser altimeter 56 IODP 54 Polar Regions 54 MBARI 54 planetary missions 54 temperature salinity 53 NSBRI 53 NASA Cassini 53 cryosphere 53 NASAs 53 admiral asks 53 CIRES 52 JPL manages 52 bathymetric 52 AP Interview CG 52 interplanetary spacecraft 51 Astrobotic 51 NASA Spacecraft 51 oceanographers 51 glaciology 51 biogeochemistry 51 CRISM 51 Cryosat 51 OSIRIS REx 51 oceanographic 51 IPY 50 planetary exploration 50 Observing System 50 Ocean Observing 50 Cassini Huygens 50 Remote sensing 50 interplanetary missions 50 spaceborne 50 CALIPSO 49 polar regions 49 Security GMES 49 multibeam 49 Arctic Ocean 49 NEEMO 49 Seafloor 49 ICESat 49 ANDRILL 49 Oceanographers 49 NOAA 49 Lunar Reconnaissance Orbiter LRO 49 celestial navigation 49 geoscientific 49 Antarctic 49 remote sensing 49 GOCE 49 oceanography 49 Astronauts inspect 49 MARSIS 48 planetary atmospheres 48 Terrestrial Planet Finder 48 polar orbits 48 polar orbiting satellites 48 subglacial 48 Ken Bowersox 48 Punta Arenas Chile 48 Skidaway Institute 48 Mini SAR 48 Polarstern 48 Exoplanet 48 orbiting Saturn 48 southernmost continent 48 Planetary Physics 48 planetary science 48 Oceanographer 48 Hoffmayer 48 medicines visit www.amgen.com 48 undersea volcanoes 48 robotic explorers 47 bathymetry 47 duration spaceflight 47 Oceanography Centre 47 Astrobiology Magazine 47 www.nasa.gov 47 Tropical Rainfall Measuring 47 robotic probes 47 Sylvia Earle 47 metagenomics 47 CloudSat 47 LCROSS mission 47 ocean salinity 47 polar 47 Catlin Arctic 47 orbiting spacecraft 47 unmanned submarines 47 Stardust NExT 47 Antarctica 47 Earth Observations 47 computational sciences 47 Ned Rozell 47 STScI 47 SIRTF 47 infrared telescopes 47 Arctic 47 microbial ecology 47 Earthwatch Institute 46 Project Kaisei