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(Click for frequent words.) 71 Composite Infrared Spectrometer 62 infrared mapping spectrometer 61 VIRTIS 61 Cassini imaging 60 Cassini radar 60 CRISM 60 Mars Color Imager 59 EPOCh 59 Mars CRISM 58 Infrared Mapping Spectrometer 58 neutral mass spectrometer 58 Cassini ion 58 Cassini ultraviolet 58 INMS 58 Fermi LAT 58 Microscopy Electrochemistry 58 laser altimeter 58 NASA WMAP 57 Cassini Ion 57 Imaging Spectrometer 57 Mini SAR 57 SIRAL 57 Jennifer Heldmann 57 Ultraviolet Imaging Spectrograph UVIS 57 Advanced Microwave Scanning 56 Cassini magnetometer 56 altimetry 56 Credits ESA 56 Cassini Imaging 56 Orbiter MRO 56 imaging spectrometer 56 Diviner 56 Mars Climate Sounder 55 Planck satellite 55 NASA Atmospheric Infrared 55 Heterodyne Instrument 55 Descent Imager Spectral Radiometer 55 OMEGA instrument 55 DISR 55 RXTE 55 Conductivity Analyzer MECA 55 Ellen Stofan 55 infrared spectra 55 gamma ray spectrometer 55 Larry Soderblom 55 Neutral Mass Spectrometer 55 Hubble observations 55 photoelectron spectroscopy 55 GALEX 55 HiRISE 55 APXS 55 Compact Reconnaissance Imaging Spectrometer 54 Stadermann 54 radial velocity measurements 54 Carey Lisse 54 Moderate Resolution Imaging 54 UVOT 54 ESA SMART 54 SPICAM 54 AMSR E 54 Astrobiology Institute 54 NASA EPOXI mission 54 FORCAST 54 NASA ICESat 54 Mesoscale 54 Photometric Imaging Receiver 54 Phoenix Microscopy Electrochemistry 54 High Resolution Imaging 54 Near Infrared Camera 54 Imaging Spectroradiometer MODIS instrument 54 ChemCam 54 Total Ozone Mapping 54 NASA Goddard 54 Michael Studinger 54 Bonnie Buratti 54 Spectrograph 54 Jonathan Lunine 54 DEEP2 53 Martin Tomasko 53 High Altitude Observatory 53 DIXI 53 NASA Cassini spacecraft 53 Helioseismic 53 Anisotropy Probe WMAP 53 spectrographic 53 visit http:/saturn.jpl.nasa.gov 53 Jean Pierre Bibring 53 MARSIS 53 Telescope BAT 53 ESA ERS 53 Multi Object Spectrograph 53 Mauna Kea Hawaii 53 Sounder AIRS instrument 53 Infrared Pathfinder Satellite 53 TRMM Microwave Imager TMI 53 Kelvin -# 53 Nasa Mars Reconnaissance 53 airglow 53 Huygens mission 53 ESO VLT 53 Spectroscopic 53 Cancri e 53 ESA Envisat 53 Infrared Array Camera 53 ESA Envisat satellite 53 Mars Reconnaissance Orbiter MRO 53 stellar occultation 53 polarimetric 53 HiRISE camera aboard 53 Atmospheric Infrared Sounder AIRS 53 Conductivity Analyzer 53 infrared spectrometer 53 Planetary Laboratory 53 Mössbauer 53 Hydrospheric 53 Thermal Emission Imaging 53 AATSR 53 Diviner instrument 53 penetrating radar 53 spectroscopic analysis 52 VIMOS 52 planetary geology 52 midlatitudes 52 Cassini 52 Galactic Plane 52 gradiometer 52 VIRTIS instrument 52 infrared wavelength 52 spectroscopic 52 microwave radiometer 52 Shallow Radar instrument 52 NIRCam 52 ray Space Telescope 52 NASA Cassini 52 spectroscopically 52 Moon Mineralogy Mapper M3 52 Credit NASA JPL 52 atmospheric oceanic 52 EPOXI spacecraft 52 Ken Herkenhoff 52 polar stratospheric 52 MPIfR 52 Hap McSween 52 Cassini scientist 52 Hakan Svedhem 52 KIPAC 52 NASA STEREO 52 Japan NAOJ 52 plasma spectrometer 52 Synthetic Aperture Radar 52 Planetary Fourier Spectrometer PFS 52 Wilkinson Microwave Anisotropy Probe 52 Krimigis 52 AERONET 52 Infrared Thermal Imaging Spectrometer 52 Institute SwRI 52 Virtual Planetary Laboratory 52 Aqua satellite 52 Atmospheric Infrared Sounder 52 GFZ German 52 Carnegie Institution Geophysical 52 Magnetic Imager HMI 52 GLAST Burst Monitor 52 Infrared Mapping Spectrometer VIMS 52 William Bottke 52 Pascale Ehrenfreund 52 polarimetry 52 MG J# +# 52 solar corona 52 eyepiece #/#s f/#.# 52 http:/saturn.jpl.nasa.gov 52 Mercury flyby 52 HUDF 51 Synthetic Aperture Radar SAR 51 asteroid Eros 51 Kepler Mission 51 Imaging Spectroradiometer 51 NASA Wilkinson Microwave 51 Lunar Orbiter Laser Altimeter 51 UAVSAR 51 situ measurements 51 Orbiter LRO 51 Mission SRTM 51 gamma ray observatory 51 NASA Far Ultraviolet 51 Steward Observatory 51 RHESSI 51 Science Experiment HiRISE 51 Cosmic Background Explorer 51 neutron spectrometer 51 Wilkinson Microwave Probe 51 Saturnian moon Titan 51 inch Samuel Oschin 51 Tod Strohmayer 51 Rosetta orbiter 51 X ray spectrometer 51 Astrophysical 51 confocal laser scanning 51 Solar Optical Telescope 51 NASA GISS 51 AIRS instrument 51 absorption spectra 51 Rosetta spacecraft 51 upper troposphere 51 Cassini flyby 51 Climate Experiment GRACE 51 HRSC 51 Alfred McEwen 51 Diviner Lunar Radiometer Experiment 51 Solar Observatory 51 de Pater 51 extrasolar planetary systems 51 NASA Fermi Gamma 51 Astrophysics Cambridge Mass. 51 OGLE TR #b 51 SwRI Space 51 Explorer WISE 51 WIYN 51 Uninhabited Aerial Vehicle 51 Halton Arp 51 comet McNaught 51 radio occultation 51 Infrared Camera 51 SNfactory 51 planetary geologist 51 STScI 51 THEMIS 51 RPWS 51 CU Boulder LASP 51 ionospheric 51 mesosphere 51 Accelerator Mass Spectrometry 51 Landsat satellite 51 magnetospheric imaging instrument 51 WISE telescope 51 J# +# [002] 51 rocky extrasolar planet 51 UVIS 51 Thiemens 51 moons orbiting Saturn 51 Relations Observatory STEREO 51 radiometers 51 Paranal Chile 51 Hubble Near Infrared 51 SeaWiFS 51 rover panoramic 51 NASA Aqua 51 Multi Object Spectrometer 51 millimeter wavelengths 50 Infrared Astronomical Satellite IRAS 50 paleoclimatology 50 ESA Herschel 50 Anisotropy Probe 50 photometer 50 Jupiter moon Io 50 Planetary Science Institute 50 THEMIS Image 50 ammonia hydrates 50 planetary scientist 50 Mission TRMM 50 Don Gurnett 50 ESA Integral 50 submillimeter wavelength 50 LRO spacecraft 50 Landsat satellites 50 Planetary Transits 50 orbiting gamma ray 50 Instrument OMI 50 Terrestrial Magnetism 50 CfA 50 Advanced Synthetic Aperture 50 radiometer 50 Solar TErrestrial RElations Observatory 50 THEMIS satellites 50 planetary Transits 50 Cosmic Microwave Background 50 SMOS 50 Harvard Smithsonian CfA 50 Otto Bliesner 50 Resolution Imaging 50 radar altimetry 50 aboard ESA Envisat 50 laser spectroscopy 50 onboard Chandrayaan 50 Evolution Explorer 50 infrared spectrometers 50 spectro 50 cometary nucleus 50 NASA Cosmic Background 50 laser altimetry 50 infrared astronomy 50 Lunine 50 David Wettergreen 50 Mars Orbiter Camera 50 subsurface ocean 50 NASA Landsat 50 Keck Telescope 50 Henry Bortman 50 Venusian surface 50 planetary astronomer 50 SECCHI 50 Credit ESO 50 lunar topography 50 Planck spacecraft 50 Cloud Aerosol Lidar 50 interferometric 50 Storrie Lombardi 50 pulsating aurora 50 stellar occultations 50 NASA QuikScat satellite 50 multispectral 50 NASA THEMIS 50 Space Physics 50 Ontario Lacus 50 Galaxy Evolution 50 Jay Zwally 50 mineralogical composition 50 Deep Impact eXtended Investigation 50 SSRL 50 AKARI 50 HiRISE camera 50 Image NASA JPL 50 Earth Observation Programmes 50 NASA JPL Caltech 50 Neutron Spectrometer 50 SOHO spacecraft 50 SDSS II 50 polarimeter 50 BLG #Lb 50 V. Ramanathan 50 ESA Planck 50 Magnetospheric 50 Moderate Imaging Spectroradiometer 50 Cassini flybys 50 comet Hartley 2 50 icy moons 50 High Angular Resolution 50 Atmospheric Oceanic 50 infrared spectroscopy 50 spectroscopic observations 50 Samuel Oschin Telescope 49 NASAs 49 CU Boulder Laboratory 49 infrared imager 49 electron diffraction 49 Atmospheric Physics 49 Corot 7b 49 infrared spectral 49 aboard Envisat 49 CIRES 49 Lamont Doherty 49 TSN PZ camera 49 LORRI 49 Shallow Radar 49 Magnetic Imager 49 SwRI 49 backscattering 49 Jeffrey Kargel 49 NASA Mars Reconnaissance 49 mesoscale 49 ultraviolet spectrometer 49 Space Studies GISS 49 NASA Infrared Telescope 49 Grillmair 49 Global Precipitation Climatology 49 exoplanets planets 49 NASA Goddard Spaceflight 49 photometry 49 Nasa Goddard Space 49 radiosondes 49 exoplanetary 49 P/# A2 49 HiRISE images 49 Heliophysics Division 49 MARSIS radar 49 spaceborne 49 orbiter Mars Odyssey 49 Dan Durda 49 DEIMOS 49 Titan flybys 49 Huygens descent 49 Kuiper belt objects 49 Triangulum Galaxy 49 Explorer GALEX 49 RAINEX 49 EPOXI 49 SIRTF 49 Drake Deming 49 TRMM satellite 49 radiometric measurements 49 Heliophysics 49 mid latitudes 49 Katlenburg Lindau Germany 49 asteroseismology 49 Hamish Pritchard 49 Eric Becklin 49 NASA Lunar Reconnaissance 49 Saturn Cassini 49 multiband imaging photometer 49 Remote Sensing Laboratory 49 Earth Connection Coronal 49 Thermal Emission Spectrometer 49 Polar Operational 49 Moderate Resolution 49 NASA JPL Cornell 49 Spectroradiometer MODIS 49 Lunar Reconnaissance Orbiter Camera 49 ESA XMM Newton 49 absorbs photons 49 infrared interferometry 49 XMM Newton 49 backscattered 49 Comet Hartley 2 49 ESA Rosetta 49 scanning tunneling microscopy STM 49 Makiko Sato 49 Shallow Subsurface Radar 49 N. Rathnasree 49 Synthetic Aperture 49 Spectroradiometer 49 Ulysses spacecraft 49 submillimeter wavelengths 49 magnetospheric 49 tropospheric 49 hydrometeorologist 49 MODIS instrument 49 Spitzer Space Telescope 48 constellation Carina 48 photoacoustic 48 MODIS 48 Titan flyby 48 gamma ray detector 48 RRATs 48 XMM Newton X ray 48 Delta Cephei 48 orbited Jupiter 48 Normalized Difference Vegetation 48 Mössbauer spectrometer 48 Keck Observatory 48 Mars Reconnaissance Orbiter 48 Convection Rotation 48 NASA Jet Propulsion Lab 48 Lunar Reconnaissance Orbiter LRO 48 Halzen 48 ENVISAT 48 Richard Mushotzky 48 Applied Physics Laboratory 48 twin STEREO spacecraft 48 Foton M2 48 Gravitational lensing 48 Nansen Environmental 48 scatterometer 48 gamma ray flashes 48 Nikku Madhusudhan 48 Mercury exosphere 48 Alpha Particle 48 Observatory LDEO 48 CSIRO Wealth 48 Deep Impact Principal Investigator 48 Ultraviolet Imaging Spectrograph 48 Imaging Spectroradiometer MODIS 48 Raman molecular spectroscopy 48 Anthony Remijan 48 journal Monthly Notices 48 geomagnetism 48 Martian dust 48 Jay Lawrimore chief 48 telescopic observations 48 Heliospheric Investigation 48 asteroid Steins 48 spacecraft flyby 48 WMAP satellite 48 Fermi Gamma ray 48 CReSIS 48 sub millimeter wavelengths 48 WISE infrared 48 Enceladus flyby 48 Planck 48 Robotic Arm Camera 48 Shuttle Radar Topography 48 fluorescence spectroscopy 48 Stanford Synchrotron Radiation 48 Hubble Space Telescope HST 48 galactic cosmic rays 48 Submillimeter 48 Mastcam 48 gravitationally lensed 48 Interferometric Synthetic Aperture Radar 48 Pluto Charon 48 Corot 9b 48 TanDEM X 48 De Pontieu 48 Keck Interferometer 48 THEMIS Images 48 UKIRT 48 Envisat satellites 48 ESRL 48 Klekociuk 48 Hyakutake 48 NEXRAD radar 48 Nousek 48 infrared 48 Drew Shindell 48 COROT 7b 48 Max Planck Institut fuer 48 thermal infrared 48 NASA Stratospheric Observatory 48 magnetometry 48 Wolfgang Brandner 48 Geophysical Fluid Dynamics 48 Carolyn Porco 48 Europa Ganymede 48 noctilucent clouds 48 Laser Interferometer Gravitational Wave 48 F#W 48 ESA ASI 48 Miniature Synthetic Aperture Radar 48 Collider Detector 48 auroral 48 Climate Sounder 48 COBE 48 Scripps Oceanography 48 Kepler 9c 48 HARPS instrument 48 UCO Lick 48 Mid Infrared 48 Paleoclimate 48 geomicrobiology 48 Mojzsis 48 INTEGRAL satellite 48 NASA Solar Terrestrial 48 NOAA GOES 48 Panoramic Camera 48 Gerard Kuiper 48 extrasolar planet 48 Ranging MESSENGER spacecraft 48 STEREO spacecraft 48 spatially resolved 48 TRMM 48 gravitational microlensing 48 X ray wavelengths 48 Stefan Immler 48 ARPES 48 Southampton Oceanography 48 IFSAR 48 Jianjun Yin 48 Optical Gravitational Lensing Experiment 48 infrared wavelengths 48 Institute MBARI 48 ESA Mars 48 Multispectral 48 Ed Laguerta 48 smallest exoplanet 48 SCIAMACHY 47 NSBRI 47 Exoplanet 47 Fermi telescope 47 Andrei Borisenko 47 choking irritants 47 LROC 47 interferometric synthetic aperture radar 47 Gazarik 47 Radar ASAR 47 NCAR 47 Radioastronomy 47 Galileo spacecraft 47 geochemists 47 diffraction patterns 47 HD#b 47 credit NASA JPL 47 NOAO 47 polar vortex 47 blackbody 47 infrared telescopes 47 Eran Hood 47 Jack Lissauer 47 Neutron Detector 47 X ray emission 47 spaceweather.com 47 Observatoire de Paris 47 Hegerl 47 satellite altimeters 47 UA Lunar 47 Remijan 47 hyper spectral 47 NASA Interstellar Boundary 47 microwave remote sensing 47 RS Ophiuchi 47 Extragalactic 47 hyperspectral imager 47 Earth orbiting satellites 47 Upsilon Andromedae 47 HARPS spectrograph attached 47 Franck Marchis 47 NASA GSFC 47 spectrographs 47 multiwavelength 47 Resolution Stereo Camera 47 SPIRE instrument 47 stylus profilers 47 Multiscale 47 submillimetre wavelengths 47 cryocooler 47 geomicrobiology studying particles 47 Io Europa 47 Astrophysics Laboratory 47 Ozone Monitoring 47 Mars Odyssey Orbiter 47 planet Gliese #g 47 Envisat Advanced Synthetic Aperture 47 Brera Observatory 47 exoplanet atmospheres 47 Waleed Abdalati 47 Imaging Spectrometer MERIS 47 frequency combs 47 NEAR Shoemaker 47 Suzaku X ray 47 Philae lander 47 photon counting 47 Cosmic Background Explorer COBE 47 Reflection Radiometer 47 auroral emissions 47 Measuring Mission TRMM 47 spectroscopic measurements 47 Mary Voytek 47 Mission TRMM satellite 47 SINFONI 47 Near Infrared 47 lunar equator 47 Niels Bohr Institute 47 Robin Canup 47 lidar 47 SAXS 47 Smithsonian Astrophysical Observatory 47 Asphaug 47 X ray telescopes 47 Solar Dynamics Observatory 47 Methone 47 earthshine 47 Comet Hartley 47 Antarctic Dry Valleys 47 -# ° Celsius [001] 47 http:/www.nasa.gov/cassini 47 Deep Impact Extended 47 NICMOS 47 Rolf Kudritzki 47 JHU APL 47 Spitzer infrared 47 CIMSS 47 Bramley Murton 47 star Spica 47 extrasolar 47 Manchester Jodrell Bank 47 oxygen isotope 47 Enceladus 47 X ray Telescope XRT 47 CoRoT satellite 47 vegetation greenness 47 Planetary Geology 47 ultraviolet imaging spectrograph 47 atmospheric chemistry 47 flyby Cassini 47 bathymetry 47 NASA CloudSat 47 submillimetre 47 Geophysical Laboratory 47 Titan smoggy 47 Erik Asphaug 47 Muchachos Observatory 47 Sasselov 47 Martian polar 47 ultrahigh resolution 47 Moon Mineralogy Mapper 47 airborne LIDAR 47 Meteoritics 47 Droegemeier 47 sized planets orbiting 47 Lunar Prospector 47 EarthSat 47 Astromaterials Research 47 NIRSpec 47 Epoxi 47 JPL manages 47 chlorine monoxide 47 Rossby waves 47 hydrated minerals 47 Nikon D# Kowa 47 GRB #B 47 astronomical objects 47 isotopic ratios 47 Cryospheric Sciences Branch 47 D CIXS 47 astrometry 47 COROT 47 Mini Thermal Emission 47 seabed sediments 47 Francis Halzen 47 coronagraph 47 Foing 47 spectral characteristics 47 Astrophysics MOA 47 Volker Liebig ESA 47 microlensing 47 MMT Observatory 47 radial velocity technique 47 spectrometer 47 Volatile Evolution 46 Planetary scientist 46 Chandra Observatory 46 intrinsic brightness 46 SEGUE 46 Fomalhaut b 46 Cassini interdisciplinary 46 HUDF# 46 AMASE 46 Kevin Trenberth climate 46 SHARAD 46 told physicsworld.com 46 spectral radiance 46 William Borucki 46 radar altimeter 46 synthetic aperture radar 46 Interior Laboratory GRAIL 46 orbiting Chandra 46 Enrico Fermi Institute 46 Faint Object 46 EarthCARE 46 lobate scarps 46 scanning electron microscope 46 Glaciology 46 planetary atmospheres 46 MINOS 46 georeferenced 46 Stephan Quintet 46 CoRoT 7b 46 LASP 46 Venusian atmosphere 46 Cassini orbiter 46 Solar Orbiter 46 WISE spacecraft 46 Thermal Emission 46 Josefino Comiso 46 Herschel telescope 46 Dan Buhl Planetarium 46 Surface Stereo Imager 46 Pancam 46 Gaensler 46 Elenin 46 polar orbiting satellites 46 NASA twin STEREO 46 Area Telescope LAT 46 Jamie Elsila 46 NOAA ESRL 46 NASA MODIS satellite 46 ICESat 46 CALIPSO 46 radial velocity 46 Astrophysical Research 46 Luterbacher 46 Cosmic Evolution 46 Spacecraft Operations 46 ROSAT 46 Viking Lander 46 Maria Zuber 46 NCAR scientist 46 Gerald Meehl 46 UV Vis 46 infrared spectroscopic 46 Christopher Chyba 46 Lunar Reconnaissance 46 GeneSat 46 Tropical Rainfall Measuring 46 interferometry 46 photometers 46 Earthlike planets 46 Phil Klotzbach member 46 Biogeochemistry 46 Spacewatch 46 evaporite deposits 46 Director Charles Elachi 46 Scatterometer 46 Gerhard Schwehm 46 photosphere 46 LOCAD PTS 46 Planetary Physics 46 Nathan Kaib 46 Hyperspectral 46 optical microscope 46 Climate Impacts Group 46 particle analyzers 46 dimensional atlas 46 ultracold 46 Raman spectra 46 ASAR 46 Geophysical Sciences 46 Valles Marineris 46 radiosonde 46 Ocean Salinity SMOS 46 Ultracold Atoms 46 satellite altimetry 46 Hubble astronomer 46 astrobiology scientist 46 NSF TeraGrid 46 Bruce Wielicki 46 martian surface 46 Spatiale des 46 Vehicles Directorate 46 Adaptive Optics 46 Saturn moons Enceladus 46 Photoacoustic 46 convective clouds 46 HIRES spectrometer 46 XMM Newton satellite 46 Delia Milliron 46 Saturn moon Enceladus 46 Nasa Kepler 46 Kiruna Sweden 46 microprobe 46 Extrasolar Planet Observation 46 Robert Vajtai 46 luminous galaxies 46 Mercury magnetosphere 46 NASA astrobiologist 46 Sromovsky 46 Ionosphere 46 Context Camera 46 Nasa Ames 46 SDSS III 46 UCL Mullard Space 46 astrophotographer 46 flyby 46 ESA Cluster 46 NASA ESA Hubble 46 martian meteorites 46 polar caps 46 ESO PR 46 NASA MODIS 46 Martin Haehnelt 46 polar latitudes 46 Caltech astronomer 46 ocean salinity 46 infrared imagery 46 planetary nebulas 46 Submillimeter Array 46 NASA Ames 46 galaxy formation 46 Great Observatories Origins 46 Bok globules 46 Jenniskens 46 NEXRAD 46 synchronous polar 46 Villigen Switzerland 46 Meteorological Satellite 46 NEOWISE 46 photochemistry 46 X ray observatory 46 Comet 9P/Tempel 1 46 Remote sensing 46 Earth magnetotail 46 bolometer 46 Reconnaissance Orbiter 46 Kounaves 46 University Lamont Doherty 46 submillimeter 46 planetary sciences 46 shortwave infrared 46 Son Nghiem 46 Forschungszentrum Dresden Rossendorf FZD 46 Manned Spacecraft Center 46 Spitzer Infrared Array 46 Konacki 46 ESO astronomer 46 author Gerald Meehl 46 Mini TES 46 distant supernovae 46 ST5 46 Track Scanning Radiometer 46 astrometric 46 Microlensing 46 Pasachoff 46 Galilean satellites 46 moons Phobos 46 Planetary Institute 46 telescope atop Mauna 46 jovian 46 KAGUYA 46 Ulrich Dahmen 46 electron density 46 Saturn magnetosphere 46 equatorial regions 46 NASA Moon Mineralogy 46 interferograms 46 Lapen 46 Vexcel Corporation 45 Pierre Simon Laplace 45 radiative transfer 45 Mohammed Ajmal Shad 45 weak gravitational lensing 45 geodynamic 45 moon permanently shadowed 45 optical spectra 45 Envisat satellite 45 Fourier transform 45 Louis Stodieck 45 multibeam 45 infrared radiation 45 radiometry 45 reflectance spectroscopy 45 Craig Tooley LRO 45 Plasma Physics 45 Greenbelt Md. manages 45 spectroscopic technique 45 interferometric observations 45 Tas van Ommen 45 Institute NSBRI 45 lidar instrument 45 Adam Riess 45 cryovolcanism 45 Subaru telescope 45 retrograde orbit 45 spectral measurements 45 Chandra X ray 45 PUVA psoralen plus 45 oxygen isotope ratios 45 Surveys ACS 45 FLIR Forward Looking 45 bolometers 45 infrared spectrograph 45 Phobos 45 Qiang Fu 45 satellite imagery aerial 45 Nilton Renno 45 AAVSO 45 Inez Fung 45 cosmic ray flux 45 interstellar boundary 45 atmospheric aerosols 45 Garching Germany 45 astrophysical sciences 45 ultraviolet wavelengths 45 Coweeta 45 HRTEM 45 Mars Analog Svalbard 45 innermost planet 45 Centers Helmholtz Gemeinschaft 45 Hal Levison 45 X ray observatories 45 Fourier transform infrared spectroscopy 45 Vladimir Romanovsky 45 cloud microphysics 45 MEMS Inertial 45 Imke de 45 occultations 45 arcminutes 45 Magnetometer 45 Constellation Observing 45 μm wavelength 45 spectrometric 45 Synchrotron Radiation 45 Astronomical Society AAS 45 emit X rays 45 Physical Oceanography 45 APEX telescope 45 Ranging spacecraft 45 Planck telescope 45 spacecraft orbited 45 Jupiter magnetosphere 45 Crab Pulsar 45 NASA Voyager spacecraft 45 tropical troposphere 45 Environmental Satellites POES 45 Cabeus 45 optical spectroscopy 45 Envisat ASAR 45 #.#C #.#C 45 photon fluorescence 45 CMB radiation 45 constellation Sagittarius 45 Dalcanton 45 paleoclimate records 45 remotely sensed 45 Heliospheric Observatory SOHO 45 Mars Odyssey spacecraft 45 LWIR 45 EPOXI mission 45 stellar seismology 45 chromosphere 45 infrared satellite imagery 45 CU Boulder Cooperative 45 TerraSAR X 45 DEPTHX 45 ammonia hydrate 45 numerical modeling 45 UA Steward Observatory 45 Bette Otto Bliesner 45 radar interferometry 45 Chodas 45 O OREOS 45 Minschwaner