Life on earth was seeded, accidentally or on purpose, from outer space.
No probability estimate. I assign this hypothesis some probability, but unless you list yours I can only guess as to whether it is similar to mine.
Mine is quite low, however, so upvoted.
Life on earth was seeded, accidentally or on purpose, from outer space.
No probability estimate. I assign this hypothesis some probability, but unless you list yours I can only guess as to whether it is similar to mine.
Mine is quite low, however, so upvoted.