Ancient Shorelines Hint Mars Once Hosted a Global Ocean
TL;DR Summary
New high-resolution imagery from Mars orbiters shows delta-like, fan-shaped deposits at the Coprates Chasma end of Valles Marineris, suggesting Mars once supported a vast, Earth-sized ocean in its northern hemisphere, implying long-lasting surface water and potentially connected water systems in the planet’s past.
- Was the Red Planet once blue? New evidence points to an ancient ocean on Mars Space
- Mars was once a 'blue planet': Ancient river deltas point to vast ocean Phys.org
- Scientists Say Mars Was a Giant Ocean World 3 Billion Years Ago. They Found a Massive Canyon That May Prove It Indian Defence Review
- Deltas and Canyons on Mars Hint at Ocean That Covered Half the Planet ZME Science
- Images show Mars may have once had vacation-style beaches Audacy
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