Birdwatch Note Rating
2023-04-22 18:42:15 UTC - HELPFUL
Rated by Participant: D5BE5B1D1084733F517444B827E885F21D4BC4FE40030F875825C3A8FC138CCF
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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