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  • Title: Maps of subsurface hydrogen from the high energy neutron detector, Mars Odyssey.
    Author: Mitrofanov I, Anfimov D, Kozyrev A, Litvak M, Sanin A, Tret'yakov V, Krylov A, Shvetsov V, Boynton W, Shinohara C, Hamara D, Saunders RS.
    Journal: Science; 2002 Jul 05; 297(5578):78-81. PubMed ID: 12040089.
    Abstract:
    After 55 days of mapping by the High Energy Neutron Detector onboard Mars Odyssey, we found deficits of high-energy neutrons in the southern highlands and northern lowlands of Mars. These deficits indicate that hydrogen is concentrated in the subsurface. Modeling suggests that water ice-rich layers that are tens of centimeters in thickness provide one possible fit to the data.
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