Image: Contrails formed at high altitude
Contrails_formed_at_high_altitude.png (282 × 251 pixels, file size: 96 KB, MIME type: image/png)
Description: Shown below is a photo taken from the research aircraft Falcon of the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt(DLR) at about flight level 33,300 feet of an Airbus A340 with contrails (left) and a Boeing 707 without contrails (right).
Title: Contrails formed at high altitude
Credit: http://www.af.mil/shared/media/document/AFD-051013-001.pdf
Author: US Air Force employee in the course of their official duties
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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