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Contrail


 

Contrails are condensation trails (sometimes vapour trails): artificial clouds made by the exhaust of jet aircraft or wingtip vortices which precipitate a stream of tiny ice crystals in moist, frigid upper air.

Related Topics:
Condensation - Cloud - Jet - Aircraft - Wingtip vortices - Ice - Air

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They are the cloud-like trails of water vapour that can be seen in the wake of airplanes, either from their exhaust or sometimes from their wing tips.

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