this post was submitted on 28 Oct 2024
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Science Memes

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Someone make an app (mander.xyz)
submitted 1 week ago by [email protected] to c/[email protected]
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[–] [email protected] 14 points 1 week ago

They are mostly ice crystals. But they form around soot from the exhaust. There is research into reducing those emissions to reduce contrails since they contribute to the greenhouse effect https://www.nasa.gov/news-release/nasa-dlr-study-finds-sustainable-aviation-fuel-can-reduce-contrails/

So the conspiracy guys are kinda correct that the contrails are bad, but once again for all the wrong reasons.