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Ancient 'ghost Dunes' Found on Mars May Hold Clues to Past Alien Life | Inquisitr

2018-07-12 00:00:00

Formed some 2 billion years ago, the 'ghost dunes' on Mars could contain traces of past microbial life hidden away in ancient dune sandstones. Planetary geomorphologist Mackenzie Day and astrobiologist David Catling, both affiliated with the UW, are mentioned.

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