211. Curiosity's Sample Analysis at Mars (SAM) instrument suite detected methane—& variations in concentration—in the martian atmosphere. http://pic.twitter.com/1jNNkrgbct
— Tanya Harrison (@tanyaofmars) July 17, 2017
via Twitter https://twitter.com/tanyaofmars
July 18, 2017 at 03:31AM
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