Life Could Have Begun in an Interstellar Dust Cloud

submitted by ZephirAWT from arxiv.org

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[–]William_World 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (4 children)

I think gravity might be important to get the chemical reactions going.

[–]ZephirAWT[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (3 children)

IMO complex life can evolve only in complex environment, which interstellar cloud definitely doesn't fit. But in the role of life mediation - why not?

[–]William_World 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (2 children)

i think any kind of life is complex. Anyway I'd have liked the study to have addressed it.

[–]ZephirAWT[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

i think any kind of life is complex. Anyway I'd have liked the study to have addressed it.

Yes, IMO the biochemistry of terrestrial life is too complex for being able to evolve at the Earth from scratch (especially so early after formation of Earth).

Panspermia hypothesis addresses this problem.

[–]William_World 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

not sure that makes sense. panspermia means it originated somewhere not on earth. can't assume that other place is more complex than earth, we simply don't know.