Birdwatch Note Rating
2024-03-18 04:20:05 UTC - HELPFUL
Rated by Participant: 682C5AD4FABA7069BB2ABE2DDC9314FB475B32F4978576541F55EEDD53BC0D54
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Original Note:
At 30k-40k feet, air temperatures range from −40 to −70F (−40 to −57C) https://www.britannica.com/science/temperature-stress Contrails are formed when water vapour and particulates from burning jet fuel freeze into ice crystals. In higher humidity, they persist, and end up creating visible vapour trails over large areas of sky https://www.bbc.com/news/blogs-trending-62240071 https://www.aerosociety.com/news/chemtrails-debunked/
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