Top Definition
Dust lifetime:Dust storms can rise miles above the earth and spread thousands of miles wide and few miles high can travel around the globe and deposit in either ocean or elsewhere after several days.
Dust lifetime: Dust storms has occured in china and dust cloud travelled miles for weeks above earth and deposited in ocena in 2007. Japanese researchers have tracked and recorded using mathematical models of its shape untill it deposited into ocean after 13 days
by ccdc July 21, 2009
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