Birdwatch Note Rating
2023-05-15 08:56:15 UTC - HELPFUL
Rated by Participant: 46B40234A69D7296CB27006342AACBAE899F0810E258C25734D62A767A0A21B4
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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