Sheril KirshenbaumNov 16, 2022

The History of Earth as a 24 hr clock. Humans have only just arrived.

Note: I first came across this image through UW-Madison geology. #science #SharedPlanet

Show threadRumpus
@Sheril When did the first multicellular organisms appear?
Nov 16, 2022 at 5:21pmWeb
Show threadMartin VeartNov 17, 2022
@rumpus @Sheril off the top of my head, after 800 million years ago.