Unsolved Mysteries That Science Can't Explain

Posted by Sughra Hafeez in Science and Technology On 7th December 2017
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Floating city

In science fiction, floating cities are settlements that strictly use buoyancy to remain in the atmosphere of a planet. However, the term generally refers to any city that is flying, hovering, or otherwise suspended in the atmosphere.

On April 21, 2017, in Jieyang, China, dozens of citizens stood in awe and stared at what appeared to be a “floating city” in the sky above them. Six years prior to this event, the same floating cities were recorded at five different locations throughout China. A rare weather event is known as Fata Morgana—during which light passes through heat waves and causes a duplication effect—might’ve been the cause, but scientists haven’t confirmed this.

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Upper-atmospheric lightning (Blue Jet)

Upper-atmospheric lightning or ionospheric lightning are terms sometimes used by researchers to refer to a family of short-lived electrical-breakdown phenomena that occur well above the altitudes of normal lightning and storm clouds. Upper-atmospheric lightning is believed to be electrically induced forms of luminous plasma. The preferred usage is a transient luminous event (TLE) because the various types of electrical-discharge phenomena in the upper atmosphere lack several characteristics of the more familiar tropospheric lightning. There are several types of TLEs, the most common being sprites. Sprites are flashes of bright red light that occur above storm systems. Other types of TLEs include sprite halos, blue jets, gigantic jets, blue starters, and ELVESs. TLEs generally last anywhere from less than a millisecond to more than 2 seconds. he terms red sprites and blue jets gained popularity after a video clip was circulated following an aircraft research campaign to study sprites in 1994.

Jets also sometimes come in the form of the imaginatively named gigantic jets, which can shoot up as high as 43 miles above the cloud cover and look like something you uppercut your opponent into after a spirited game of Mortal Kombat. For now, science is content to shrug its shoulders and see what else is on The Discovery Channel.

Tabby’s Star

Tabby's Star or Boyajian's Star is an F-type main-sequence star located in the constellation Cygnus approximately 1,280 light-years (390 pc) from Earth. Tabby’s Star is one of 150,000 stars observed by the Kepler telescope. What makes Tabby’s Star so different from the rest is that its light sometimes dulls by up to 20 percent, a substantially higher amount than any other star. Several hypotheses have been proposed to explain the star's large irregular changes in brightness as measured by its light curve, but none to date fully explain all aspects of the curve. The likely explanation, announced by NASA on 4 October 2017, is that an "uneven ring of dust" orbits KIC 8462852. Another hypothesis, based on a lack of observed infrared light, posits a swarm of cold, dusty comet fragments in a highly eccentric orbit.

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Fairy Circles

Fairy circles are circular patches of land barren of plants, These circles form mysteriously with diameters as large as 15 meters and continue to stump the scientific community. The phenomenon was only known to occur in the arid grasslands of the Namib desert in western parts of Southern Africa, is particularly common in Namibia. In that year, ecologists were alerted to similar rings of vegetation outside of Africa, in a part of the Pilbara in Western Australia. The cause of fairy circles has long been a puzzle and the investigation has proved challenging.

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