Could humans have contaminated Mars with life?

Could humans have contaminated Mars with life?Could humans have contaminated Mars with life? External link

Trundling across the surface of Mars as you read this is a remarkable machine. Perseverance – the car-sized rover that safely touched down on the Martian surface on 18 February this year – might only have a top speed of less than 0.

Tagsevolutionextraterrestrial life
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