NASA’s Curiosity Mars rover captured this 180-deg. view of Mount Sharp’s Gediz Vallis channel, which was likely formed by large floods of water and jumbles of rocks. On the left is a pile of sulfate-rich rocks, nicknamed “Hinman Col.”
Credit: NASA/JPL-Caltech/MSSS
NASA’s Curiosity rover has provided new evidence of at least intermittent large bodies of liquid water on the surface of Mars, bolstering theories that the planet once harbored a thicker, carbon dioxide-rich atmosphere and warmer temperatures. The evidence comes from concentrations of siderite, an...
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