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Answer by Federico for Why are some contrails longer than others?
It is a mixture of factors. All else being the same:a contrail at a higher altitude will last longer (the lower temperature slows the sublimation of the ice cristals)a contrail formed in air with...
View ArticleWhy are some contrails longer than others?
I've often noticed that planes flying on more or less the same track, headed in the same direction leaves different contrails. By different I mean how long they stay visible and the length of them. Why...
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