worldwide glaciation episodes during the Cryogenian Period of the Neoproterozoic Era
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~40 min read
Artist's rendition of a fully-frozen Snowball Earth with no remaining liquid surface water
Estimate of Proterozoic glacial periods. Vertical axis: millions of years ago
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).