Research from NASA shows about 3.7 billion years ago the Red Planet contained seafloor hydrothermal deposits — hot springs that pumped mineral-filled water into a giant Martian sea - Their hypothesis emerged after analyzing photographs taken by NASA’s Mars Reconnaissance Orbiter from one Mars basin.

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Research from NASA shows about 3.7 billion years ago the Red Planet contained seafloor hydrothermal deposits — hot springs that pumped mineral-filled water into a giant Martian sea - Their hypothesis emerged after analyzing photographs taken by NASA’s Mars Reconnaissance Orbiter from one Mars basin.