Birdwatch Note Rating
2024-04-23 00:34:52 UTC - HELPFUL
Rated by Participant: 8B711403D4C8B15E772B3673BB05FBECD44E6E4E37516AA9BCB58BD1E66EE48C
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Original Note:
Contrails have been visible behind jet engines since the beginning of jet aviation. The length and size of contrails depends on the temperature and humidity of the air at the plane's altitude, can be visible for a few seconds or minutes, or for hours & spread several miles wide https://www.spartan.edu/news/trails-in-the-sky-all-about-contrails/
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