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2 result(s) for “if com mojeek site:contrailscience.com” · 533 ms
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com/kucinich-chemtrails-and-hr-2977/
If you want to see all the information, I’d start here:
https://contrailscience
from the top result below
https://contrailscience.com/how-long-do-contrails-last/
If depends on the atmospheric conditions at the altitude the plane is flying
https://contrailscience.com/contrails-dark-lines-chemtrails/
Theoretically, you could cast a shadow on a cloud layer above or behind a contrail, if the sun were low enough, but this would be rather difficult to observe