Birdwatch Archive

Birdwatch Note Rating

2023-05-15 08:50:52 UTC - HELPFUL

Rated by Participant: CC2F57B2D5D200F376F14B361692ED40716E0236FBA107E233ACEF4684CCA017
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

All Note Details

Original Tweet

All Information

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  • helpfulnessLevel - HELPFUL
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