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The Gamma Ray Spectrometer (GRS) is a gamma-ray spectrometer on the 2001 Mars Odyssey spacecraft, a space probe orbiting the planet Mars since 2001. Part of NASA 's Mars Surveyor 2001 program, it returns geological data about Mars's surface such as identifying elements and the location of water.
2001 Mars Odyssey is a robotic spacecraft orbiting ... It is a spectrometer focussed on the gamma-ray portion of the spectrum in order to search for various elements ...
A number of investigations have been performed to observe the gamma-ray spectra of the Sun and other astronomical sources, both galactic and extra-galactic.The Gamma-Ray Imaging Spectrometer, the Hard X-ray/Low-Energy Gamma-ray experiment (A-4) on HEAO 1, the Burst and Transient Spectrometry Experiment (BATSE) and the OSSI (Oriented Scintillation Spectrometer Experiment) on CGRO, the C1 ...
In July 2003, at a conference in California, it was announced that the Gamma Ray Spectrometer (GRS) on board the Mars Odyssey had discovered huge amounts of water over vast areas of Mars. Mars has enough ice just beneath the surface to fill Lake Michigan twice. [1]
Gamma Ray Spectrometer (2001 Mars Odyssey) M. Mars Radiation Environment Experiment; Mars Student Imaging Project; T. Thermal Emission Imaging System
Odyssey consists of three instruments for measuring the surface of Mars; a Thermal Emission Imaging System (THEMIS), a Gamma Ray Spectrometer (GRS), and Mars Radiation Environment Experiment (MARIE). MARIE was damaged in 2003, most likely by a solar particle, and GRS is not in use after Odyssey changed its orbit in 2008 to increase THEMIS ...
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