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Does a Dyson sphere exist? The proof of extraterrestrial life that astronomers are looking for? Did Scientists Discover Alien Mega-Structures?

What are Dyson spheres, the proof of extraterrestrial life that astronomers are looking for?

  • Does a Dyson sphere exist? 
  • Did Scientists Discover Alien Mega-Structures?


It is believed that they could be structures developed by civilizations far from Earth, with which they could harness the energy of their star.




Since the beginning of time, there has always been a question about whether there is life beyond Earth . Whether we are not alone in the universe is a question that we are still far from answering . Experts dedicate part of their lives to trying to find any kind of sign of intelligent life on another planet , such as on Mars with the presence of the Perseverance rover .


But the studies are not focused only on small remains that may appear on the surface of Mars or any other remote planet. Another line of research has to do with the hypothetical development of advanced extraterrestrial structures , which have been called Dyson spheres . This is the main objective of the Hephaistos Project .

In order to measure the technological level of a hypothetical extraterrestrial civilization , astronomer Nikolai Kardashev proposed a scale in the 1960s. This scale, which bears his name, was popularized by astronomer and science popularizer Carl Sagan . The different classifications on it were based on the amount of energy used by a civilization.



According to this expert, and taking the Kardashev scale as a reference , terrestrial civilization has not reached type I civilization, the lowest of all and in which they would be able to control and take advantage of all the energy available on the planet (wind, geothermal and seismic) . As for the most advanced, they could manipulate and control all the energy of the solar system and the galaxy. In the most developed type, they could get the energy from the stars .

According to a group of astronomers, who are part of the Hephaistos project , it would be possible to observe technological signals from advanced civilizations . Now, these signals would have to be identified in data already obtained by different telescopes, such as Gaia . And one of the structures, as they have published in the Monthly Notices of the Royal Astronomical Society (MNRAS), would be the Dyson Sphere .

Behind the Dyson spheres

On this scale, for Type II civilizations to be able to harness all the energy available from a star, they would need to use structures to capture that energy . These structures could be Dyson spheres, developed by physicist Freeman Dyson . Built around a star, they would be able to capture and use its energy.

According to this article, these spheres could emit a characteristic signal if they existed . If so, they would emit infrared frequencies and with a radiation different from that of the star they orbit. And thanks to the analysis of studies by Gaia, DR3, 2MASS and WISE , astronomers from Sweden claim that it is possible to find signs of Dyson spheres, analyzing the position and speed of stars and objects. And, with this, they assure that seven signals indicate a possible signal from the sphere. In any case, it is still too early to confirm its existence .

             Tagged in :

             Science

             Astronomy

             Outer space

             Extraterrestrials

 

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