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"biosignatures"1 articles archived since 1845

Tricksy Mars may be Obscuring Signs of Organic Matter

Picture a hot volcanic spring. Mineral-laden acidic water flows through sulfur-rich rocks. A foul odor hangs in the air. For us it’s a nasty environment, best enjoyed through the lens of a tourist’s camera.

February 24, 2015 — Caleb A. Scharf

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