California Meteor Broke Speed Record for Atmospheric Entry

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California Meteor Broke Speed Record for Atmospheric Entry

Meteor astronomer Peter Jenniskens must move quickly to trap evidence of a fresh meteorite fall. In 2008, a small asteroid roughly three meters across struck Earth's atmosphere over northern Sudan, producing a brilliant fireball in the sky. The asteroid's orbit had been tracked before striking Earth, upping the chances that searchers would be able to locate pieces of the meteorite on the ground. So Jenniskens traveled to the Nubian Desert to recover fragments, as did dozens of searchers from the University of Khartoum.

In April of this year, he did not have to travel nearly so far to gather fresh meteoritic material. A bright fireball lit up the daytime sky April 22 over northern California's gold country, a few hours' drive from Jenniskens's bases of operations in the San Francisco Bay Area: the SETI Institute in Mountain View and the NASA Ames Research Center in Moffett Field.

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