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In pictures: Aircraft contrails
Vapour trail
Aircraft exhausts form contrails in moist, frigid air, typically at altitudes above 8km.
The vapour trails can degrade, or break up, to look indistinguishable from natural cirrus clouds.
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In pictures: Aircraft contrails |
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Vapour trail Aircraft exhausts form contrails in moist, frigid air, typically at altitudes above 8km. The vapour trails can degrade, or break up, to look indistinguishable from natural cirrus clouds. |
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