rich1.0hackernews (npub1s9…ga9je)https://nostr.ae/npub1s9c53smfq925qx6fgkqgw8as2e99l2hmj32gz0hjjhe8q67fxdvs3ga9jenjumphttps://nostr.aeWhat made Earth a giant snowball 700M years ago? Scientists have an answer Comments ( https://news.ycombinator.com/item?id=39369040 ) https://www.sydney.edu.au/news-opinion/news/2024/02/08/geoscientists-discover-what-turned-snowball-earth-sturtian-ice-age-earthbyte.html