Re: News: Meteorite experiment deals blow to 'bugs from space' theory

Robert Karl Stonjek wrote:

In research to be unveiled on Thursday, they attached small rocks two
centimetres (0.8 of an inch) thick to a Russian unmanned Foton M3 capsule
that was launched in September 2007 and returned to Earth 12 days later.

The samples were imbedded on the capsule's heat shield, which reached a peak
velocity of 7.6 kilometres (4.75 miles) per second (17,000 miles, or 27,200
kms, per hour) during the controlled descent.

Ouch. What happens if the meteorite breaks up on entry, releasing
its payload as dust into the upper atmosphere?
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