Birdwatch Note Rating
2023-05-12 03:33:24 UTC - HELPFUL
Rated by Participant: E3C73FDE3F52A6A3BCD0A6AC9B00FA7EE2B1B11BD33470BC322E60185136D457
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