Birdwatch Note Rating
2023-04-24 17:37:55 UTC - HELPFUL
Rated by Participant: F4A781699BF3B1AC7C8079BB458AB33DD3447993F83A73173F8DD498CECDD09F
Participant Details
Original Note:
Those are contrails. Contrails are made up of ice formed from the combination of water vapor in aircraft engine exhaust and cold temperatures that exist at high altitudes causing condensation allows the formation of the trails. They have no effect on humans. https://www.faa.gov/about/office_org/headquarters_offices/apl/noise_emissions/contrails/
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