3 ms·
> Emergence of life on Earth took 13.7 billion years 13.7 billion years? Isn't that the age of the universe, and didn't life emerge on Earth only after about a
by chrononaut 4y ago
> Emergence of life on Earth took 13.7 billion years
13.7 billion years? Isn't that the age of the universe, and didn't life emerge on Earth only after about a billion years?
- yreg 4y agoYes, but the parent means we are 13.7B years late to the party. Other civs should have been spawned before Earth was formed.
- jjoonathan 4y agoThe formation of Earth wouldn't have been the starting gun for alien life evolving somewhere other than Earth.