Why is Mars red? A new clue to the history of habitability in Martian dust

Planetary Radio: Space Exploration, Astronomy and Science - A podcast by The Planetary Society - Wednesdays

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Why is Mars red? A new study led by Brown University’s Adomas Valantinas points to ferrihydrite, not hematite, revealing a wetter past and new clues about the Red Planet’s potential to support life.

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