Birdwatch Note Rating
2024-12-01 21:46:25 UTC - HELPFUL
Rated by Participant: A42C167241257DCC760DC573E140128AAE4AEB6DD5EB1F4D283B8E22E0C0AC63
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Original Note:
Contrails, short for condensation trails, are not a new phenomenon. They have been observed since the early days of powered flight. The first recorded observation of contrails dates back to World War I https://www.afhistory.org/airpowerhistory/Air_Power_History_2007_fall.pdf https://www.globe.gov/web/s-cool/home/observation-and-reporting/contrails/history-of-contrails-and-contrail-research2
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