4 ms·
See also: https://news.ycombinator.com/item?id=39315378 https://news.ycombinator.com/item?id=39315378 (An extreme ice-age climate 700M years ago) What Turned
by neogodless 3y ago
See also:
https://news.ycombinator.com/item?id=39315378 https://news.ycombinator.com/item?id=39315378 (An extreme ice-age climate 700M years ago)
What Turned Earth Into A Giant Snowball 700 Million Years Ago? (astrobiology.com)
4 days ago (81+ points / 89+ comments)