Hi Sterling. Eric. Jason and all. IN Cosmic billiards nearly anything is
possible. IF A 22 Bullit can cause an orange to flip upside down or spin. A
large enough impact could also flip or spinn the earth. And its size would not
have to be in the current range of an extinction event impactor. An meteor with
enough mass hitting near either pole could cause a flip or change the
orientation of the earth enough to cause an climatic disaster resulting in
mass extinctions. The smaller masses currently considered to be not a threat
could in reality cause a chain of events resulting in mass extinction. A
meteorite a mile across might not be an extinction event if it impacts at the
equator. But if it hits near either pole the results would be the same as if a
larger impactor of 20miles across hit the equator or worse. I hope it never
happens! Steve
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