Birdwatch Note Rating
2024-10-16 12:37:29 UTC - HELPFUL
Rated by Participant: 4A309934AB4A664193C5EB9E915EB73BACF224947620720985868694AE6B3D85
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Original Note:
These are contrails, or condensation trails, which are clouds produced by the exhaust of an airplane’s engine. One explanation for why they may seem different than in the past is that older jets were often leaving exhaust smoke in the sky, not contrails. https://en.wikipedia.org/wiki/Contrail https://jalopnik.com/why-were-old-jet-engines-so-much-more-smokey-than-newer-1720531271
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