Birdwatch Note Rating
2023-05-12 07:11:46 UTC - HELPFUL
Rated by Participant: 84A4CD947853104239D31AC7B4EFB7D1E40D5ADA9D8A52535371B36CC4C9C256
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