Mars Spacecraft Finds Evidence of Gigantic Martian Lake
Scientists using NASA's Mars Reconnaissance Orbiter spacecraft, in orbit above the Martian surface, have made a surprising discovery: an ancient dried-up lake bed that once held 10 times as much water as all of the Great Lakes combined. There's a possibility that this location saw the evolution of life billions of years ago, and may offer clues as to how life arose on our own planet.
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