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Q&A What could cause my millennium-long ice ages?

Here on earth, it takes about 90,000 years for major ice sheets to build up, and another 10,000 for them to collapse, resulting in 100,000 year cycles of major glaciation, from what I understand. ...

3 answers  ·  posted 5y ago by HolocronCollector‭  ·  last activity 5y ago by HolocronCollector‭