From Universe Today:
Quote:
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Dust from asteroids entering our atmosphere could affect the weather more than scientists previously believed, according to a new study published this week in the journal Nature. An international team of researchers have studied the dust trail of an asteroid that burned up as it descended through the atmosphere above Antarctica. The 1,000 tonne asteroid formed a cloud of micron-sized particles large enough to influence the local weather in Antarctica
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Full story:
http://www.universetoday.com/am/publ...r.html?3082005
I heard the scientist talking on the ABC on Friday last week, talking about it. Very interesting..