The Universe: Mars: The New Evidence
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- The History Channel
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The Universe: Mars: The New Evidence
Over the years, evidence has suggested that life may once have existed on Mars-and that it may still exist there to this day. Mineral deposits show that water once flowed on the Red Planet's surface, but can NASA scientists confirm the presence of water on Mars in the form of ice and snow?
The History Channel | August 16, 2011
