The planetary scientists are certainhttp://www.blogger.com/img/blank.gif, which leaves them puzzling over what could be producing methane gas detected in the thin Martian air. Methane molecules are easily blown apart by ultraviolet light from the Sun.The gas be burbling from something alive Cows, after all, burp methane on Earth. Other creatures, including a class of micro-organisms that live without oxygen, also produce methane.
Because Mars is smaller than Earth, it cooled faster, and it probably would have been hospitable for life earlier. That raises the intriguing possibility that pieces of Mars containing microbes were blasted into space by asteroid impacts and later landed on Earth, seeding life.
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Because Mars is smaller than Earth, it cooled faster, and it probably would have been hospitable for life earlier. That raises the intriguing possibility that pieces of Mars containing microbes were blasted into space by asteroid impacts and later landed on Earth, seeding life.
Read More:
Get News A bouts: Science News
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