Space/Science — HabitableZone

Space/Science » in reply to Melas, Candor and Ophir Chasma from Mars Express (8 MB)

re: Grey stuff: Melas, Candor and Ophir Chasma from Mars Express (8 MB)

A question from deep ignorance. Several of the Mars Express images show a lot of dark material. What is it? It is in these very dramatic but also others like Tithonium Chasma, Melas Chasma, in Valles Marineris which are on the Mars Express front page.

Thank you,

ANdrew

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