Birdwatch Note Rating
2023-05-15 13:56:59 UTC - HELPFUL
Rated by Participant: 8BD8D9F64A66C8A039AFD1F575215C83AFD3B05B6CE4AD9E2EBCDF9BD26B3D98
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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