Birdwatch Note Rating
2023-05-12 12:15:17 UTC - SOMEWHAT_HELPFUL
Rated by Participant: F2C1CF2A35F135C58388F9D4FCBACDBE20AE497FAA57B79DB9E0F37C2A847333
Participant Details
Original Note:
Contrails are line-shaped clouds produced by aircraft engine exhaust miles above Earth's surface. Contrails are composed primarily of water, in the form of ice crystals. This phenomenon is reproducible via many experiments. Contrail properties observed and studied since 1920s https://www.nasa.gov/sites/default/files/atoms/files/contrails_k-12.pdf
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