Birdwatch Note Rating
2023-05-15 10:03:40 UTC - NOT_HELPFUL
Rated by Participant: D826F960841233B142D754B78E518EEDC0CD2386E0B5E18719BB203DB0F8ABE3
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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