Birdwatch Note Rating
2023-05-14 23:44:18 UTC - HELPFUL
Rated by Participant: 53D629C93384F083CA628740A4ED65C15D660E22CAE9C21CF3391232FACE4F35
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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