Birdwatch Note Rating
2023-05-12 02:01:54 UTC - HELPFUL
Rated by Participant: C30E8F87AAA03326F3A6A8D6D678189A230483E9DF75430FEA0A4C1F0B494D08
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