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A comment on 60 years later, is it time to update the Drake equation?. Parent comment

Re:60 years later, is it time to update the Drake equation? by cwkoss on Tuesday May 18, 2021 @04:50PM (#27200891)
> Life is the same. We have seen enough of it in enough variety to know that it can take on many forms, including exotic forms that are impossible on Earth but would be possible elsewhere.

What forms of life that are impossible on earth do we know about?

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Re:60 years later, is it time to update the Drake equation? by sdht0 on Wednesday May 19, 2021 @01:48AM (#27205041)
https://en.wikipedia.org/wiki/Hypothetical_types_of_biochemi...
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Re:60 years later, is it time to update the Drake equation? by saas_sam on Tuesday May 18, 2021 @05:10PM (#27201187)
Silicon based for one.
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Re:60 years later, is it time to update the Drake equation? by tsimionescu on Tuesday May 18, 2021 @05:22PM (#27201350)
That's a conjecture, not a known form of life that couldn't occur on Earth. There is no proof that silicon based life could exist, we barely know if silicon organic chemistry could actually exist.
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