Incendiary_mind742 t1_j2qu9cd wrote on January 3, 2023 at 8:09 AM Reply to 450 - 440 million years ago a ~50˚ True Polar Wander event swept Gondwana across the South Pole, triggering glaciation and the second most lethal of the “Big Five” mass extinctions, the end-Ordovician mass extinction by GeoGeoGeoGeo Horse shoes and hand grenades. Close enough on an order of magnitude maybe. Still fun to think about Permalink 7
Incendiary_mind742 t1_j2qu9cd wrote
Reply to 450 - 440 million years ago a ~50˚ True Polar Wander event swept Gondwana across the South Pole, triggering glaciation and the second most lethal of the “Big Five” mass extinctions, the end-Ordovician mass extinction by GeoGeoGeoGeo
Horse shoes and hand grenades. Close enough on an order of magnitude maybe. Still fun to think about