Birdwatch Note Rating
2023-05-12 08:20:58 UTC - HELPFUL
Rated by Participant: 44E3AE8483FA2F2EC46ABC6481CB9498454287675667FFBD38E0C1C25875D679
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