Earth life may have traveled to Venus aboard sky-skimming asteroid – Space.com

If there is indeed life on Venus
, it may have come from Earth aboard an asteroid that scooped up microbes high in our skies, a new study suggests.
Last week, researchers announced the detection of the potential biosignature gas phosphine in Venus’ atmosphere
, at an altitude where temperatures and pressures are similar to those at sea level here on Earth. 
Exotic chemical reactions that have nothing to do with life may be generating the phosphine, the discovery team said. But it’s also poss…

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