Birdwatch Note Rating
2023-05-15 01:05:19 UTC - HELPFUL
Rated by Participant: 8DAED9EF9B2EFAF699949DF4D59BA51902B422672A72D6C266D73DA3B590D242
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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