Birdwatch Note Rating
2023-05-14 19:09:57 UTC - HELPFUL
Rated by Participant: C378931E048482D2BFDF00DC95644D6377CBCB812C79FF87D77B5E48595B3DA3
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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