GeologyRocksFossil biodiversity linked to galactic cycles?
Mon, 04/23/2007 - 23:42 — hypocentre
By way of space.com, researchers at University of Kansas suggest that the 64 million year cycle in biodiversity, including the Ordovician and Permian extinctions, is linked to the solar system's cyclic position with respect to the galactic plane.
Only 10 million years to the next one!
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