Birdwatch Note Rating
2023-05-15 02:08:54 UTC - HELPFUL
Rated by Participant: C6243349A4E347D58E2FDE591BD6CC8A9E9D1A2EC56FC3F948682648426E2C01
Participant Details
Original Note:
Contrails are formed when water vapour and fine soot particulates from burning jet fuel freeze into ice crystals. In low air humidity, the crystals just dissipate. In higher humidity, they persist, and end up creating visible vapour trails over large areas of sky. https://www.bbc.co.uk/news/blogs-trending-62240071
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