Posts Tagged ‘mars’

Episode 40 – Silicas – and Hot Springs – On Mars

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Episode 40 - Silicas - and Hot Springs - On MarsA long-standing question in Mars research has been: Did volcanic Mars have hot springs? If so, was there life? Astrobiologists now report possible hot spring sites in Arabia Terra and the Gusev crater region where the Spirit rover found almost pure silica in 2008, a sure sign of hot water moving over rocks.

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