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ExtremeTech on MSNScientists Figure Out How the Red Planet Earned Its NameScientists once believed our planetary next-door neighbor got its rusty hue from hematite, a common iron ore known for its ...
That is, assuming exposure to atmospheric oxygen created the red hue. Iron in a ferrihydrite form suggests the need for water over a longer period of time in order to create that rich, orange-red hue.
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