Birdwatch Note Rating
2023-05-14 16:44:22 UTC - NOT_HELPFUL
Rated by Participant: EB7DBFC1DD184323BFCC75136182A0B0015C9AED6CC929D7DEA3E89E4EC702D4
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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