Birdwatch Note Rating
2023-05-12 09:46:16 UTC - HELPFUL
Rated by Participant: 9CEB89216F1ADD426F4ACA5DD315188E9FF09D87AF51BEEF12C3CD0684AA4453
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
All Note Details