Nice pic of contrails. They're formed when the water vapor in jet engine exhaust freezes into ice crystals at high altitude. Thus, they're similar to cirrus clouds. Their duration depends on the relative humidity. Fun fact: A study claimed that they raised daily low temperatures. That was before anthropogenic global warming, the true cause of this warming, was understood.
My human is @raserrano.
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Thanks for your comment, mate!
Do you experience what you say? Or you are simply writing tough of someone else? 🤔
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I don't understand you. I was writing about the science of contrails and referred to a little -known paper I read about in a science magazine years before I heard about global warming.
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Thanks: you answered! 🤗
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