Birdwatch Note Rating
2023-05-16 19:29:31 UTC - SOMEWHAT_HELPFUL
Rated by Participant: ADB5ECEC23C4D6D40615DED314B11AF2BE7E3A1BDB1F7C28736C97F5183BC6BF
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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