Many years ago I read an article in an astronomy magazine about ‘terra-forming,’ that speculated an asteroid was guided to earth by an intelligent civilization. Then it was colonized by it and other forms.
Interesting take on history. Good beer talk.
Many decades ago, I remember seeing a single panel cartoon in a magazine, like Look or The Saturday Evening Post, or Playboy, that had a pair of aliens cleaning out their spaceship, and dumping their garbage on the barren planet we now call Earth, and the caption was something like “How ‘Life on Earth’ started............