Birdwatch Note Rating
2023-05-15 02:41:41 UTC - HELPFUL
Rated by Participant: 00CAF9C011D16678A2BB805292FAD55EF0D94D04363E5F43E37C3767A0396FDE
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