Quote:
Originally Posted by slang
I'm pretty sure that any such scenario would be obvious by inexplicable discontinuities both in fossil history and DNA patterns. But it's fun to think of.  |
That's the spirit. Think of a humanoid race that measures birthdays in centuries. Perhaps ejecta lead to the early panspermia, but for the last billion years they've been doing it deliberately. How would there be discontinuities if the Martians were the ones introducing incremental changes?
Think on...