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Originally posted by die_another_day
A 2 mile wide meteor at 70km/s wouldn't even be able to move Earth because it simply does not have the momentum.
Tiny diamonds on Santa Rosa Island give evidence of cosmic impact
The tiny diamonds were buried below four meters of sediment and they correspond with the disappearance of the Clovis culture –– the first well-established and distributed North American peoples. An estimated 35 types of mammals and 19 types of birds also became extinct in North America about this time.www.eurekalert.org...
Originally posted by die_another_day
Earth will be a beautiful blue sphere in the middle of randomness for a dozen more billion years.