Thread: Telescope Pictures 6
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Old June 2nd 07, 04:07 PM posted to alt.binaries.pictures.aviation
Scubabix
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Default Telescope Pictures 6
http://www.airspacemag.com/issues/20...ight_Lines.php

This is a link to an Air & Space Magazine article on contrails. It points
out the 2 main factors needed for contrails are a temperature below -38 deg
F and humidity around 100%.

Rob