Date:   7/11/2008 2:05:27 PM ( 17 y ago)
Hits:   2,142
URL:   https://www.curezone.org/forums/fm.asp?i=1212924

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At the speed jets fly , they can be in a different microclimate in a matter of seconds which can result in the formation ( or disappearance ) of a contrail.
 

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