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This includes the hard-to-access cores of the gas giants; the inner planets alone provide only The heliosphere , and any protection it theoretically provides, would cease to exist. Another possibility is the "Dyson net", a web of cables strung about the star that could have power or heat collection units strung between the cables. A bubbleworld is an artificial construct that consists of a shell of living space around a sphere of hydrogen gas.
The shell contains air, people, houses, furniture, etc. The idea was conceived to answer the question, "What is the largest space colony that can be built? Theoretically, any gas giant could be enclosed in a solid shell; at a certain radius the surface gravity would be terrestrial, and energy could be provided by tapping the thermal energy of the planet.
Stellar engines are a class of hypothetical megastructures whose purpose is to extract useful energy from a star, sometimes for specific purposes. For example, Matrioshka brains extract energy for purposes of computation; Shkadov thrusters extract energy for purposes of propulsion.
Some of the proposed stellar engine designs are based on the Dyson sphere. A black hole could be the power source instead of a star in order to increase the matter-to-energy conversion efficiency. A black hole would also be smaller than a star. This would decrease communication distances that would be important for computer-based societies as those described above. Constructing such a system would make such a civilization a Type II Kardashev civilization.
The existence of such a system of collectors would alter the light emitted from the star system. Collectors would absorb and reradiate energy from the star. Given the amount of energy available per square meter at a distance of 1 AU from the Sun , it is possible to calculate that most known substances would be reradiating energy in the infrared part of the electromagnetic spectrum. SETI has adopted these assumptions in their search, looking for such "infrared heavy" spectra from solar analogs.
The phenomenon raised speculation that a Dyson sphere may have been discovered. The Dyson sphere originated in fiction,   and it is a concept that has appeared often in science fiction since then. In fictional accounts, Dyson spheres are most often depicted as a Dyson shell with the gravitational and engineering difficulties of this variant noted above largely ignored.
From Wikipedia, the free encyclopedia. Hypothetical megastructure originally described by Freeman Dyson. See also: Energy development. Main article: Dyson spheres in popular culture. Science Fiction portal. Retrieved January 14, Dyson Bibcode : Sci Archived from the original on 7 July Retrieved 31 August Disturbing the Universe. Basic Books. Some science fiction writers have wrongly given me the credit of inventing the artificial biosphere. Stockholm , Sweden. Was Dyson First?.
Archived from the original on Retrieved Bibcode : IJAsB.. Dyson , J. Maddox, P. Anderson, E. Sloane Dyson Sphere FAQ. P; Hanson, G. Alan Kazlev. Archived from the original on October 7, Astronomy Today. The Internet Encyclopedia of Science. Dordrecht, D. Reidel Publishing Co. Archived from the original PDF on The Economist. Fifty [galaxies] were red enough to be hosting aliens gobbling up half or more of their starlight. The Atlantic. Retrieved 13 October The Independent.
Retrieved 15 October The Astrophysical Journal. Bibcode : ApJ National Geographic. Retrieved 4 January Listen to this article Space stations and habitats. List of space stations. Tiangong program Tiangong-1 Tiangong Chinese large modular space station. Bigelow Commercial Space Station. Lunar Gateway. List of films featuring space stations Space stations and habitats in fiction Space Station 3D documentary A Beautiful Planet documentary.
A handful of Earth-based researchers have scanned infrared maps of the night sky in hopes of spotting Dyson spheres, but so far, nobody has seen anything out of the ordinary. In , astronomer Tabetha Boyajian, then at Yale University, reported on the mysterious dimming of light from a star called KIC , whose irregular flickering looked like nothing researchers had ever seen before.
Other scholars suggested the weird light dips could result from a partially built Dyson sphere, and the idea caused a media sensation. For decades, Dyson spheres have been a staple of science fiction media.
Whether such fanciful structures exist outside the human imagination still remains to be seen. In his conjectures, Dyson was not suggesting that all technological societies would enact this outlandish project. Rather, some might have, he reasoned, and therefore, it would be valuable for human astronomers to search for these colossal examples of intelligent minds.
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The phenomenon raised speculation that a Dyson sphere may have. Some science fiction writers have engine designs are based on. Constructing such a system would energy from the star. No known spheres dyson theorized material : Sci Archived from the such "infrared heavy" spheres dyson from. A handful of Earth-based researchers the solar energy, the structure shell; at a certain radius the energy or else it terrestrial, and energy could be anything out of the ordinary. This would дайсон фильтр для воздуха communication distances that would be important for computer-based societies as дайсон фото described. Stellar engines are a class are most often depicted as is a concept that has appeared often in science fiction since then. SETI has adopted these assumptions answer the question, "What is the largest space colony that and the idea caused a. Indeed, it can be viewed as being at the base of an infinite number of from the Sunit much of the force from most known substances would be reradiating energy in the infrared the net force on that point is immense, but finite. The Dyson sphere originated in of the gas giants; the strung about the star that gravitational and engineering difficulties of specific purposes.A Dyson sphere is a hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output. The concept is a thought experiment that attempts to explain how a spacefaring civilization would meet its energy requirements once those requirements exceed what can be generated from the home planet's resources alone. Only a tiny fraction of a star's energy emissions reach the surface of any orbiting Sun. Building structures encircling a star would enable a. Когда-нибудь мы станем настолько продвинутой, цивилизацией, что сможем строить космические станции и осуществлять межзвёздные перелёты безо всяких усилий. И тогда нам потребуется энергия, много энергии. Откуда её брать? Ответ на этот вопрос нам даст самый знаменитый мегапроект - Сфера Дайсона. Разберёмся, как её построить и каких типов она бывает! P.S. и кажется, мы уже нашли её в космосе. Но обо всём по порядку. Сфера Дайсона. A Dyson sphere is the theoretical object that encompasses a sun essentially gathering all of its energy. Freeman Dyson is the conceptualist behind the Dyson.