Mysterious Clouds: Double Helix DNA Cloud Contrail Spotted Over Moscow, Russia

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On December 24, 2012, a strange double helix DNA cloud was spotted just outside Moscow, Russia.

Was this double helix cloud some kind of contrail? Or simply an evolutionary reminder: DNA?

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DNA cloud over Moskow on December 24, 2012

This post proposes a series of amateur photographs of the strange occurrence to try to decipher what’s behind this still mysterious sky phenomenon!

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Contrails or vapour trails are long thin artificial clouds that sometimes form behind aircraft. Their formation is most often triggered by the water vapour in the exhaust of aircraft engines, but can also be triggered by the changes in air pressure in wingtip vortices or in the air over the entire wing surface. Depending on the temperature and humidity at the altitude the contrail forms, they may be visible for only a few seconds or minutes, or may persist for hours and spread to be several miles wide.

DNA cloud over Moskow on December 24, 2012, helix cloud moscow russia, helix cloud, dna cloud, strange clouds, strange clouds:helix cloud moscow russia, double helix DNA cloud contrail moscow russia
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Or had this weird phenomenon something to do with a local liquid propellant rocket engine manufacturer called NPO Energomash which is a design bureau based in Khimki, a city just northwest of Moscow?

DNA cloud over Moskow on December 24, 2012, helix cloud moscow russia, helix cloud, dna cloud, strange clouds, strange clouds:helix cloud moscow russia, double helix DNA cloud contrail moscow russia
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The strange cloud has drawn many comparisons to the double helix structure of DNA, one of the three major macromolecules that are essential for all known forms of life (along with RNA and proteins).

DNA cloud over Moskow on December 24, 2012, helix cloud moscow russia, helix cloud, dna cloud, strange clouds, strange clouds:helix cloud moscow russia, double helix DNA cloud contrail moscow russia
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Well what do you think this strange cloud phenomenon was?

Watch other strange clouds formation here!

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