PlumM to WikipediaEnglish • 2 months agoPurple Earth hypothesisen.wikipedia.orgexternal-linkmessage-square15arrow-up1112arrow-down10
arrow-up1112arrow-down1external-linkPurple Earth hypothesisen.wikipedia.orgPlumM to WikipediaEnglish • 2 months agomessage-square15
minus-square@[email protected]linkfedilinkEnglish18•2 months agoThis is the coolest thing I’ve learned all month!
minus-square@[email protected]linkfedilinkEnglish11•2 months agoIt probably even happened multiple times, so Earth went from purple to green, back to purple and then green again. And there’s also been periodes where the Earth was mostly covered in ice, making it appear white, called Snowball Earth. Geo Girl on YouTube has excellent videos about this topic: https://www.youtube.com/watch?v=5sQPcpsOWzg PBS Eons is a good source for a high level overview as well: https://www.youtube.com/watch?v=IIA-k_bBcL0
This is the coolest thing I’ve learned all month!
It probably even happened multiple times, so Earth went from purple to green, back to purple and then green again. And there’s also been periodes where the Earth was mostly covered in ice, making it appear white, called Snowball Earth.
Geo Girl on YouTube has excellent videos about this topic: https://www.youtube.com/watch?v=5sQPcpsOWzg PBS Eons is a good source for a high level overview as well: https://www.youtube.com/watch?v=IIA-k_bBcL0