Sunday, February 17, 2013

Estimates raised for Russian meteor blast
[ Sat, 16 Feb 2013 17:54:07 GMT ]

Science editor Alan Boyle's blog: Scientists have raised their estimates of the size and power of what turns out to be the most widely witnessed asteroid strike in modern history.Science editor Alan Boyle's blog: Scientists have raised their estimates of the size and power of what turns out to be the most widely witnessed asteroid strike in modern history.


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