How will we recognize alien life?

  
AeonAeon wrote the following post Wed, 10 Oct 2018 04:00:42 -0600
Proof of life: how would we recognise an alien if we saw one?
Proof of life: how would we recognise an alien if we saw one?

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What would convince you that aliens existed? The question came up recently at a conference on astrobiology, held at Stanford University in California. Several ideas were tossed around – unusual gases in a planet’s atmosphere, strange heat gradients on its surface. But none felt persuasive. Finall...

By Samuel Levin

Read at Aeon


#science #aliens #exobiology