When the plan starts moving with a great speed in the sky,the engine of the plane start emmiting exhaust. The exhaust which comes from a plane's engine is much hotter than the atmosphere due to which The water vapour from the hot plane engine turns to ice mid-air which we see as white lines in the sky which is usually called contrails. Plz plz mark as brainliest. I ensure that I have not copied the answer but have taken some essential information and have written the answer in my own words.. Plz mark as brainliest. New questions in Geography. What is an ecosystem?. The trails left behind by planes are officially called contrails, short for concentration trails. They form a bit similarly to how the breath you exhale can condense into vapor on a cold day. In short, contrails are formed when the water vapor in the exhaust from the plane’s engines condenses into water droplets, which then freeze into ice particles composing a line-shaped cloud. The impurities in the jet exhaust form some of the particles on which water droplet grow, before freezing.  Most typically, the trails are formed by jet planes that fly at the right altitude, around 25, to 40, feet, where the air is cold enough. The trails form most often at a temperature below minus 40 degrees Celsius. 3. Concentration trails can stay in the sky for hours. Trails are created when water particles condense and freeze around particles in the air. Though some speculate they are much more sinister.  As some aircraft fly through the sky, they leave trails of what appears to be smoke. Though do not be concerned, the trails are mostly condensation- hence the name "condensation trails". As the engine burns, it ejects a large amount of water and some aerosols into the air. Contrails are created when water vapor condenses and freezes around small particles generated from the engine exhaust. Both the particles and water lead to the generation of contrails. Though some elements in the gas do not contribute to contrail formation, they are still considered pollutants. The chemtrail conspiracy theory posits the erroneous belief that long-lasting condensation trails are "chemtrails" consisting of chemical or biological agents left in the sky by high-flying aircraft, sprayed for nefarious purposes undisclosed to the general public. Believers in this conspiracy theory say that while normal contrails dissipate relatively quickly, contrails that linger must contain additional substances. Those who subscribe to the theory speculate that the purpose of the . Aug 21,  · What you’re seeing are perfectly planned and executed chemtrails. The highly reliable Wikipedia defines Chemtrails as long-lasting trails left in the . It depends on Jet Planes Leave A White Trail Behind Them Because Word the air they are formed in. Now there are two main reasons why some planes leave trails and some nearby planes do not. The less common reason, is that different planes have different engines. Some engines will leave a contrail in air where another engine will not.
It does not look like ice crystals or water vapor. Is it hazardous? More Like This Airplanes. Was there aluminum siding near the sample site? Uncinus…whether we are referring to contrails or chemtrails we should agree there is cause for concern due to the scale of the contrail phenomena and because future environmental impact is impossible to accurately gauge. Asked By Roslyn Walter.

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