Birdwatch Note Rating
2023-05-12 02:26:27 UTC - HELPFUL
Rated by Participant: 182232C7E16D29B2C18451DC7BB28EC2B5A4805482801BFF0DFBD5E7B3E881F2
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