What I want to know is how many of those astroids gave us the life forms that we find in recent samples of “outer space?”
How do we know that WE are not the “aliens?”
Klaatu barada nikto. I mean, shhh.
“How do we know that WE are not the aliens?”
Because there are animals existant today -— with whom we share great genetic similarlity -— that are clearly present in the fossil record.
If we are “aliens” we came at a single-cell level.
Squatters rights after the first billion years.