3 ms·
I'm not a fan of the Silurian hypothesis, but maybe it could have predated Theia? More tantalizing, maybe there's a universe-level Silurian analog where our B
by echelon 2y ago
I'm not a fan of the Silurian hypothesis, but maybe it could have predated Theia?
More tantalizing, maybe there's a universe-level Silurian analog where our Big Bang was predated by another universe teeming with intelligent life.
Maybe we get Silurian'd ourselves.
- jjk166 2y agoTheia hit Earth within 100-150 million years of the formation of Earth. It seems exceedingly implausible that life could not only emerge but go through all the stages of development necessary to achieve advanced intelligence in such a short time compared to what it took the "second" time around.
- wruza 2y agoAnd in that period it wasn’t particularly habitable either. An observer may not find that big of a difference between a recently formed planet and a planet recently hit by another planet.