Most Mysterious Star In The Universe | Are There Aliens?

Описание: Tabby's Star, also known as WTF Star, and designated KIC 8462852 is an F-type main-sequence star in the constellation Cygnus approximately 1,470 light-years from Earth.

Unusual light fluctuations of the star, including up to a 22% dimming in brightness, were discovered by citizen scientists as part of the Planet Hunters project.

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. One explanation is that an "uneven ring of dust" orbits Tabby's Star.

In another explanation, the star's luminosity is modulated by changes in the efficiency of heat transport to its photosphere, so no external obscuration is required.

It has also been hypothesized that the changes in brightness could be signs of activity associated with intelligent extraterrestrial life constructing a Dyson swarm; however, further analysis based on data through the end of 2017 showed wavelength-dependent dimming consistent with dust but not an opaque object such as an alien megastructure, which would block all wavelengths of light equally.

Some astronomers have speculated that the objects eclipsing Tabby's Star could be parts of a megastructure made by an alien civilization, such as a Dyson swarm, a hypothetical structure that an advanced civilization might build around a star to intercept some of its light for their energy needs.

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Due to extensive media coverage on this matter, Tabby's Star has been compared by Kepler's Steve Howell to KIC 4150611, a star with an odd light curve that was shown, after years of research, to be a part of a five-star system.

The likelihood of extraterrestrial intelligence being the cause of the dimming is purely speculative; however, the star remains an outstanding SETI target because natural explanations have yet to fully explain the dimming phenomenon.

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