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Was the Red Planet once blue? New evidence points to an ancient ocean on Mars - Space

Ancient shoreline features hint that water on Mars once formed a vast ocean.

By:Charles Q. Choi
Source:Space.com
Published:
Was the Red Planet once blue? New evidence points to an ancient ocean on Mars - Space
Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research suggested rivers and seas once existed on Mars, raising the question of wheth… [+3114 chars]

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