Birdwatch Note Rating
2023-05-14 18:48:26 UTC - HELPFUL
Rated by Participant: 4BBB84442BA84499C7593F8C608D099B966AB9E8701495D4C8DB391DF121E05D
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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