Birdwatch Note Rating
2024-05-06 05:02:59 UTC - HELPFUL
Rated by Participant: 2FBCBE210C0660A2AC72AE117383D2B5A83B87AC3EB801EA1DF7F19F01441F2C
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Original Note:
Photos of persistent contrails date back to the 1930s. People have been noticing them and commenting on them for even longer than that. They are not a new phenomenon but have become more prevalent as air traffic has increased. https://www.metabunk.org/threads/debunking-contrails-dont-persist-with-a-study-of-70-years-of-books-on-clouds.3201/
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