A new paper suggests hydrogen—possibly water ice—in the Medusa Fossae area of Mars, which is in an equatorial region of the planet to the lower left in this view. Credit: Steve Lee (University of Colorado), Jim Bell (Cornell University), Mike Wolff (Space Science Institute), and NASA
Scientists taking a new look at older data from NASA’s longest-operating Mars orbiter have discovered evidence of significant hydration near the Martian equator – a mysterious signature in a region of the Red Planet where planetary scientists figure ice shouldn’t exist...
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