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Experts on Earth

Earth (also the world[n 5], in GreekΓαῖα Gaia,[n 6] or in LatinTerra[26]) is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four terrestrial planets, and the only astronomical objectknown to harbor life. The earliest life on Earth arose at least 3.5 billion years ago.[27][28][29] Earlier physical evidences of life include graphite, a biogenic substance, in 3.7 billion-year-old metasedimentary rocks discovered in southwestern Greenland,[30] as well as, "remains of biotic life" found in 4.1 billion-year-old rocks in Western Australia.[31][32] Earth's biodiversity has expanded continually except when interrupted by mass extinctions.[33] Although scholars estimate that over 99 percent of all species of life (over five billion)[34]that ever lived on Earth are extinct,[35][36] there are still an estimated 10–14 million extant species,[37][38] of which about 1.2 million have been documented and over 86 percent have not yet been described.[39] Over 7.3 billion humans[40]live on Earth and depend on its biosphere and minerals for their survival. Earth's human population is divided among about two hundred sovereign states which interact through diplomacy, conflict, travel, trade and communication media.

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Name Missions & Mission Experience Targets Techniques Major Facilities & Instrument Development
oabramov's picture
Oleg Abramov
Europa Clipper ** Calibration/Test planning, Instrument Co-Investigator, Mission science team, Science operations Earth, Europa, Mars, Moon Astrobiology, Impacts, Remote sensing, Thermal modeling Cameras, Spectrometers
artemeva's picture
Natalia Artemieva
Earth, Moon, Titan Numerical modeling
banks's picture
Maria Banks
LRO, MESSENGER, MRO, New Horizons, Phoenix Mars Lander ** Data archive, Data validation, Instrument operations, Mission operations, Mission science team, Science operations Charon, Earth, Europa, Mars, Mercury, Moon, Phobos, Pluto, Venus Climate, Crater Counting, Education/Public Outreach, Field Work, Geology, Geomorphology, Impacts, Mapping, Radar, Remote sensing, Tectonics Cameras
bishop's picture
Mark Bishop
Earth, Mars, Titan Remote sensing, Volcanism, Geology, Education/Public Outreach, Geomorphology
buxner's picture
Sanlyn Buxner
LRO Earth, Meteorites, Moon Education/Public Outreach
cahill's picture
Karen Cahill
Mars Odyssey, MER, MESSENGER, MRO ** Mission science team Asteroids, Earth, Mars, Mercury, Meteorites, Moon Education/Public Outreach, Field Work, Geology, Mapping, Mineralogy, Petrology, Remote sensing, Spectroscopy, Thermal Emission Spectroscopy, Volcanism Imaging spectrometers, Spectrometers
chuang's picture
Frank Chuang
Galileo, LRO, Mars Global Surveyor, Mars Odyssey, MRO ** Mission science team Callisto, Earth, Europa, Ganymede, Icy satellites, Io, Mars, Moon Crater Counting, Geology, Geomorphology, Impacts, Mapping, Remote sensing, Volcanism
rclark's picture
Roger Clark
Cassini, Chandrayaan 1 (India), Europa Clipper, Galileo, Mars Global Surveyor, Mars Observer, MRO ** Instrument Co-Investigator, Mission Co-Investigator Asteroids, Ceres, Comets, Dwarf planets, Earth, Exoplanets, Icy satellites, Interplanetary Dust, Io, Jupiter, Kuiper Belt, Mars, Mercury, Moon, Neptune, Planetary rings, Pluto, Saturn, Small satellites, Titan, Uranus, Venus, Vesta Space-based observing, Spectroscopy, Remote sensing, Photometry, Numerical modeling, Geology, Ground-based observing, Mineralogy, Mapping
sclifford's picture
Steve Clifford
Mars Express (ESA), Rosetta ** Mission Co-Investigator, Mission science team Earth, Icy satellites, Mars Field Work, Geology, Geomorphology, Numerical modeling, Radar, Remote sensing, Thermal modeling
crown's picture
David Crown
Dawn, Mars Odyssey, MRO Ceres, Dwarf planets, Earth, Icy satellites, Io, Mars, Moon, Venus Crater Counting, Education/Public Outreach, Field Work, Geology, Geomorphology, Mapping, Radar, Remote sensing, Tectonics, Volcanism
mdyar's picture
Darby Dyar
MSL Earth, Mars, Mercury, Moon, Venus Spectroscopy, Remote sensing, Petrology, Geology, Education/Public Outreach, Mineralogy, Astrobiology
rgaskell's picture
Robert Gaskell
Cassini, Dawn, MESSENGER, OSIRIS-REx, Rosetta, Voyager Asteroids, Comets, Earth, Icy satellites, Io, Mars, Mercury, Moon, Small satellites, Vesta Shape modeling
rghent's picture
Rebecca Ghent
LRO, Mars 2020, OSIRIS-REx Asteroids, Earth, Mars, Mercury, Moon, Venus Remote sensing, Radar, Tectonics, Volcanism, Numerical modeling, Geology, Ground-based observing, Mapping
goldspiel's picture
Jules Goldspiel
Earth, Mars Geology, Geomorphology, Numerical modeling, Radar, Thermal modeling
grinspoon's picture
David Grinspoon
MSL, New Horizons Earth, Exoplanets, Icy satellites, Mars, Pluto, Venus Education/Public Outreach, Astrobiology
vhansen's picture
Vicki Hansen
Earth, Venus Education/Public Outreach, Field Work, Geology, Geomorphology, Mapping, Optical Microscopy, Petrology, Radar, Remote sensing, Tectonics
hartmann's picture
Bill Hartmann
Mariner 9 Asteroids, Comets, Earth, Mars, Meteorites, Moon, Small satellites Crater Counting, Education/Public Outreach, Ground-based observing, Volcanism
cjohnson's picture
Catherine Johnson
MESSENGER, OSIRIS-REx Asteroids, Earth, Mars, Mercury, Moon, Small satellites, Venus Tectonics, Volcanism, Education/Public Outreach, Magnetospherics
ajones's picture
Andrea Jones
LRO, MSL Earth, Mars, Moon Education/Public Outreach, Geology
gkramer's picture
Georgiana Kramer
Apollo, Chandrayaan 1 (India), Clementine, Dawn, Kaguya (Japan), LRO, Lunar Prospector ** Calibration/Test planning, Data validation, Mission science team, Science operations Earth, Meteorites, Moon, Solar particles/Solar wind, Vesta Education/Public Outreach, Field Work, Gamma-ray spectroscopy, Geology, Geomorphology, Ground-based observing, Impacts, Laboratory Spectroscopy, Mapping, Mass spectroscopy, Mineralogy, Neutron spectroscopy, Petrology, Remote sensing, Spectroscopy Cameras, Imaging spectrometers, Spectrometers
kim's picture
Kim Kuhlman
GENESIS, Phoenix Mars Lander ** Mission science team Asteroids, Earth, Mars, Moon, Small satellites, Solar particles/Solar wind Astrobiology, Atom Probe Tomography, Atomic Force Microscopy, Education/Public Outreach, Field Work, Focused Ion Beam, Gamma-ray spectroscopy, Geology, Geomorphology, Mass spectroscopy, Mineralogy, Neutron detectors, Numerical modeling, Scanning Electron Microscopy, Scanning Transmission Electron Microscopy, Secondary Ion Mass Spectroscopy, Space-based observing, Spectroscopy, X-ray spectroscopy Cameras
clittle's picture
Cynthia Little
MSL ** Calibration/Test planning, Flight Software, Instrument operations Earth, Mars Remote sensing, Space-based observing
jmcelwaine's picture
Jim McElwaine
Asteroids, Ceres, Comets, Earth, Icy satellites, Mars, Moon, Planetary rings, Pluto, Small satellites, Titan, Vesta Shape modeling, Radar, Numerical modeling, Geomorphology
gmorgan's picture
Gareth Morgan
LRO, MRO ** Instrument Co-Investigator Earth, Mars, Mercury, Moon, Venus Field Work, Geology, Geomorphology, Radar, Volcanism
jpmorgen's picture
Jeff Morgenthaler
GALEX, Sounding Rockets Comets, Earth, Europa, Gas giants, Io, Io torus, Jupiter, Solar particles/Solar wind Aeronomy, Astrometry, Atmospheres, Calorimetry, Ground-based observing, Photometry, Space-based observing, Spectroscopy, X-ray spectroscopy Kitt Peak ** Imaging spectrometers, Spectrometers, X-ray spectrometers
cneish's picture
Catherine Neish
Cassini, Chandrayaan 1 (India), LRO ** Data archive, Data validation, Instrument operations, Mission science team, Science operations Earth, Icy satellites, Mercury, Moon, Titan, Venus Field Work, Geology, Geomorphology, Impacts, Radar, Remote sensing, Volcanism
doehler's picture
Dorothy Oehler
MSL ** Mission science team, Science operations Earth, Mars Astrobiology, Focused Ion Beam, Geology, Geomorphology, Mapping, Optical Microscopy, Raman Spectroscopy, Scanning Electron Microscopy, Secondary Ion Mass Spectroscopy
mperry's picture
Matthew Perry
MRO Earth, Mars Education/Public Outreach, Field Work, Geology, Geomorphology, Numerical modeling, Planetary Interiors, Radar, Tectonics, Thermal modeling
platz's picture
Thomas Platz
Dawn Ceres, Earth, Mars, Moon Remote sensing, Petrology, Volcanism, Geology, Crater Counting, Geomorphology, Mapping
prettyman's picture
Thomas Prettyman
Dawn, Lunar Prospector, Mars Odyssey ** Calibration/Test planning, Data archive, Data validation, Electronics design, Flight Software, Instrument operations, Instrument PI, Mission Co-Investigator, Mission science team, Requirements generation and flow down Asteroids, Ceres, Comets, Dwarf planets, Earth, Mars, Mercury, Meteorites, Moon, Small satellites, Venus, Vesta Education/Public Outreach, Geology, Mapping, Neutron detectors, Numerical modeling, Remote sensing, Shape modeling, Space-based observing
than's picture
Nathaniel Putzig
Mars Express (ESA), Mars Global Surveyor, Mars Insight, Mars Odyssey, MER, MRO, MSL, Phoenix Mars Lander ** Data archive, Data validation, Deputy Instrument PI, Instrument Co-Investigator, Instrument operations, Mission Co-Investigator, Mission operations, Mission science team, Science operations Earth, Mars Climate, Field Work, Geology, Geomorphology, Mapping, Numerical modeling, Planetary Interiors, Radar, Remote sensing, Tectonics, Thermal Emission Spectroscopy, Thermal modeling, Volcanism Cameras, Imaging spectrometers, Spectrometers
sscheidt's picture
Stephen Scheidt
Earth, Mars Crater Counting, Field Work, Geology, Geomorphology, Ground-based observing, Laboratory Spectroscopy, Mapping, Remote sensing, Shape modeling, Thermal modeling, Volcanism Cameras, Imaging spectrometers, Spectrometers
nschorghofer's picture
Norbert Schorghofer
Dawn ** Mission science team Ceres, Earth, Mars, Moon Astrobiology, Climate, Field Work, Geomorphology, Numerical modeling, Thermal modeling
ecsklute's picture
Elizabeth Sklute
Earth, Enceladus, Europa, Exoplanets, Mars, Titan Astrobiology, Mineralogy, Numerical modeling, Raman Spectroscopy, Spectroscopy FTIR, Spectrometers
staid's picture
Matthew Staid
Chandrayaan 1 (India) Earth, Moon Geology, Mapping, Mineralogy, Photometry, Remote sensing, Spectroscopy, Volcanism
mthomsen's picture
Michelle Thomsen
Cassini ** Instrument Co-Investigator Earth, Jupiter, Saturn Plasma spectrometers
rltokar's picture
Robert Tokar
Cassini, Mars Odyssey, MSL, Voyager Earth, Gas giants, Icy satellites, Interplanetary Dust, Io, Jupiter, Mars, Saturn, Solar particles/Solar wind Space-based observing, Spectroscopy, Remote sensing, Numerical modeling, Neutron detectors, Magnetospherics Gamma-ray detectors, Mass spectrometers, Neutron detectors, Plasma spectrometers
btravis's picture
Bryan Travis
Asteroids, Ceres, Earth, Icy satellites, Mars Space-based observing, Remote sensing, Numerical modeling, Mineralogy, Astrobiology
dvaniman's picture
David Vaniman
MSL Earth, Mars, Moon Petrology, Volcanism, Geology, Ground-based observing, Mineralogy, Mapping
webster's picture
Kevin Webster
Earth, Exoplanets, Mars Astrobiology, Atmospheres, Climate, Education/Public Outreach, Field Work, Geology, Mass spectroscopy Mass spectrometers
jweirich's picture
John Weirich
OSIRIS-REx Asteroids, Comets, Earth, Moon, Small satellites Shape modeling, Geology, Mineralogy
williams's picture
Rebecca Williams
Mars Odyssey, MRO, MSL ** Mission Co-Investigator, Mission operations, Mission science team, Science operations Earth, Mars Education/Public Outreach, Field Work, Geology, Geomorphology, Ground-based observing, Mapping, Numerical modeling, Remote sensing Cameras
swood's picture
Stephen Wood
Mars Polar Lander, Phoenix Mars Lander ** Calibration/Test planning, Data archive, Flight Software, Instrument Co-Investigator, Instrument operations, Mission science team, Requirements generation and flow down, Science operations Asteroids, Callisto, Ceres, Earth, Icy satellites, Mars, Mercury, Moon Astrobiology, Atmospheres, Climate, Geomorphology, Laboratory Spectroscopy, Numerical modeling, Radiometry, Remote sensing, Thermal Emission Spectroscopy, Thermal modeling Cameras, FTIR, Imaging spectrometers
swright's picture
Shawn Wright
MER Earth, Mars, Meteorites Geology, Mineralogy, Remote sensing
yingst's picture
Aileen Yingst
Dawn, Mars Pathfinder, Mars Polar Lander, MER, MSL ** Calibration/Test planning, Deputy Instrument PI, Instrument Co-Investigator, Instrument operations, Mission operations, Mission science team, Requirements generation and flow down, Science operations Ceres, Earth, Mars, Moon, Vesta Education/Public Outreach, Geology, Geomorphology, Mapping, Remote sensing, Spectroscopy, Volcanism Cameras

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