Birdwatch Note Rating
2023-05-15 07:34:14 UTC - HELPFUL
Rated by Participant: 73EFE9D4797D1CF3B3BAAED4F43068F891F2F6A2EE476CE1621E6DC2F82AFA56
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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