Or like some ancient alien species that travelled the stars but found it was alone, like in the ST:TNG episode[0]? No too.
Even if these ancient aliens thought it would be fun to spread their sperm all over asteroids and fling them out into the universe, there wouldn't be enough time for those rocks to get anywhere.
The more logical conclusion is that abiogenesis happens everywhere in the universe under the right conditions.
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Like a god? No.
Or like some ancient alien species that travelled the stars but found it was alone, like in the ST:TNG episode[0]? No too.
Even if these ancient aliens thought it would be fun to spread their sperm all over asteroids and fling them out into the universe, there wouldn't be enough time for those rocks to get anywhere.
The more logical conclusion is that abiogenesis happens everywhere in the universe under the right conditions.
[0]: https://en.wikipedia.org/wiki/The_Chase_(Star_Trek:_The_Next...