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Where is the "Water" of Mars? (Equatorial and Middle Latitude Regions)
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A Neutron Spectrometer on the Mars Odyssey Spacecraft measures the abundances of neutrons of various energies emitted from Mars' Surface.
The ratio of low- to high-energy neutrons is a sensitive test of water abundances within a meter of Mars' surface.
There is LOTS of water. No one had expected any where near this much water near the Martian Surface.
All this is BETTER described in a press release from the Los Alamos National Laboratory, home of the Neutron Spectrometer and the scientists who run it (http://www.lanl.gov/news/releases/archive/03-101.shtml).
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(Dettagli)
