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The Busy Center of the Lagoon Nebula

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Have we been wrong about why Mars is red? (www.esa.int)

submitted 1 month ago by [email protected] to c/[email protected]

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However, new analysis of spacecraft observations in combination with novel laboratory techniques shows that Mars’s red colour is better matched by iron oxides containing water, known as ferrihydrite. Ferrihydrite typically forms quickly in the presence of cool water, and so must have formed when Mars still had water on its surface.

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[–] [email protected] 3 points 1 month ago (1 children)

Puked out, like from volcanic eruptions?

[–] [email protected] 2 points 1 month ago

Yea. I have no idea if there is evidence of that or not. I never really studied Mars more than, “red planet.”