Given that the "percentage of stars with planets" part of the Drake equation has recently been determined to be close to 100%, Panspermia is starting to feel more and more likely.
Something to blow your mind with. The early days in the universe there were millions of years were the average temperature in the universe supported liquid water.
I don't think millions of years is long enough for anything interesting to happen life-wise, is it?
hard to know with so few data points