Wikipedia

1662 readers

299 users here now

A place to share interesting articles from Wikipedia.

Rules:

Only links to Wikipedia permitted
Please stick to the format "Article Title (other descriptive text/editorialization)"
Tick the NSFW box for submissions with inappropriate thumbnails
On Casual Tuesdays, we allow submissions from wikis other than Wikipedia.

Recommended:

If possible, when submitting please delete the "m." from "en.m.wikipedia.org". This will ensure people clicking from desktop will get the full Wikipedia website.
Use the search box to see if someone has previously submitted an article. Some apps will also notify you if you are resubmitting an article previously shared on Lemmy.

founded 2 years ago

MODERATORS

dantheclamman

Plum

112

Purple Earth hypothesis (en.wikipedia.org)

submitted 2 months ago by Plum to c/wikipedia

15 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 11 points 2 months ago

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