We Could Soon Prove If Life Began Outside The Solar System Or Not

Space





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Did life begin in interstellar oases (examples in green)? NASA/JPL/R. Hurt.

The theory of panspermia is a controversial one, to say the least. It has various forms, but the crux is this: Life originated beyond the Solar System and was spread through the galaxy, perhaps via drifting microbes, asteroids or even artificially by intelligent beings. It’s fair to say that it has split opinion over the years.