Stellaris dyson sphere star type Continue The hypothetical megastructure originally described by Freeman Dyson as a 3D rendering of the Dyson sphere using large, orbital panels of the Dyson sphere is a hypothetical megastructure that fully covers the star and captures a large percentage of its power. This concept is a thoughtful experiment that attempts to explain how space civilization will meet its energy needs once those needs exceed needs that can only be derived from the resources of the home planet. Only a small fraction of a star's energy emissions reach the surface of any orbiting planet. The construction of structures surrounding the star will allow civilization to gather much more energy. The first contemporary description of the structure was Olaf Stapledon in his sci-fi novel Star Maker (1937), in which he described every solar system ... surrounded by gauze light traps that focus solar energy escape for intelligent use. The concept was later popularized by Freeman Dyson in his 1960 article Finding Artificial Stellar Sources of Infrared Radiation. Dyson suggested that such structures would be a logical consequence of the escalating energy needs of technological civilization and would be necessary for its long-term survival. He suggested that the search for such structures could lead to the discovery of a developed, intelligent extraterrestrial life. The different types of Dyson spheres and their energy-saving ability would correspond to the levels of technological progress on the Kardashev scale. Since then, other design options related to the construction of an artificial structure or a series of structures covering stars have been proposed in research engineering or described in science fiction under the name Dyson Sphere. These later proposals were not limited to solar power plants, many of which concerned housing or industrial elements. Most fictional images describe a hard shell of matter encased in a star that was considered by Dyson himself to be the least plausible version of the idea. In May 2013, at the Starship Century Symposium in San Diego, Dyson repeated his comments that he wanted the concept not to be named after him. Origin concept See also: The development of the energy Freeman Dyson in the 2005 Concept of the Dyson sphere was the result of the thought experiment of physics and mathematician Freeman Dyson, when he stated that all technological civilizations were constantly increasing their demand for energy. He reasoned that if human civilization for a long time would expand the need for energy, it would find a time when it would require the total energy production of the Sun. He proposed an orbital system (which he originally called a shell) designed to intercept and collect the entire produced by the Sun. Sun. on the basis that such a structure can be distinguished by an unusual emission spectrum compared to a star. His 1960 article Finding Artificial Stellar Sources of Infrared Radiation, published in the journal Science, is believed to be the first to formalize the concept of the Dyson sphere. However, Dyson wasn't the first to promote the idea. It was inspired by the 1937 sci-fi novel Star Maker, Olaf Stapledon, and possibly the work of J.D. Bernal. Although such megastructures are theoretically possible, the construction of a stable Dyson sphere system now goes beyond the engineering capabilities of mankind. The number of vessels needed to obtain, transfer and maintain the full Dyson area exceeds modern industrial capabilities. Georgi Dvorsky advocates the use of self-replicating robots to overcome this restriction in the relatively short term. Some have suggested that such habitats may be built around white dwarfs and even pulsars. Options in fictional accounts, the concept of the Dyson Sphere is often interpreted as an artificial hollow sphere of matter around the star. This perception is based on a literal interpretation of Dyson's original short work, presenting the concept. Responding to the letters, which were called to some documents, Dyson replied: A hard shell or ring surrounding a star is mechanically impossible. The form of the biosphere that I have provided consists of a free collection or a swarm of objects traveling in independent orbits around the star. Dyson swarms the Dyson ring - the simplest form of Dyson's swarm- in scale. The orbit is 1 AU in radius, collectors - 1.0×107 km in diameter (10 Gm or ≈25 times the distance of the Earth-Moon), from center to center around the orbital circle. The relatively simple arrangement of several Dyson-type rings, pictured above, to form a more complex Dyson swarm. Orbital radii of the rings have blurred by 1.5×107 km to each other, but the average radius of the orbit is still 1 AU Rings rotate 15 degrees relative to each other, around the common axis of rotation. An option close to Dyson's original concept is the Dyson Swarm. It consists of a large number of independent structures (usually solar satellites and space habitats) rotating in dense formation around the star. This approach to construction has advantages: components can be sized accordingly, and it can be built gradually. Different forms of wireless energy transmission can be used to transmit energy between a swarm of components and a planet. The disadvantages due to the nature of orbital mechanics will make the location of the swarm's orbits extremely difficult. The simplest such arrangement is the Dyson ring, in which all such structures have the same orbit. More complex patterns more rings intercept more of the output of stars, stars, some structures periodically overshadow others when their orbits intersect. Another potential problem is that the growing loss of orbital stability by adding more elements increases the likelihood of orbital disturbances. Such a cloud of collectors would change the light emitted by the star system (see below). However, the disruption compared to the star's total natural emitted spectrum is likely to be too small for astronomers based on Earth to observe. Dyson Bubble Bubble Dyson: Location of statins around the star, in a non-conbit orbital pattern. As long as the satellite has an unobstructed line of sight to its star, it can hover anywhere in space next to its star. This relatively simple location is just one of an infinite number of possible statin configurations, and is intended as a contrast only for the Dyson swarm. The stats are depicted in the same size as the collectors depicted above and are located at an even distance of 1 AU from the star. The second type of Dyson sphere is the Dyson bubble. This would be similar to the Dyson swarm, consisting of many independent designs and can also be built gradually. Unlike the Dyson swarm, the structures that build it up are not in orbit around the star, but will be static satellites suspended by huge light sails using radiation pressure to counteract the attraction of the star's gravity. Such structures would not pose a risk of collision or overshadowing each other; they would be completely immobile towards the star, and independent of each other. Since the ratio of radiation pressure to gravity from a star is constant regardless of distance (provided that the satellite has an unobstructed line of sight to the surface of its star), such satellites can also change its distance from the central star. The practicality of this approach is questionable in modern materials science, but it cannot be ruled out yet. 100% reflective satellites deployed around the Sun will have a total density of 0.78 grams per square meter of sail. To illustrate the low mass of the necessary materials, I note that the total mass of the bubble of such material 1 AU in the radius will be about 2.17×1020 kg, which is about the same mass as the asteroid Pallas. Another illustration: Ordinary printed paper has a density of about 80 g/m2. Such material has not yet been produced in the form of a working light sail. The lightest carbon fiber lightweight sail material is currently produced density-without payload-3 g/m2, or about four times as much as it would be necessary to create a solarstatite. One sheet of graphene, a two-dimensional form of carbon, has a density of just 0.37 mg per square meter, making such a single sheet possibly as effective as a solar sail. However, since 2015, graphene has not been and it has a relatively high radiation absorption rate, about 2.3% (i.e. about 97.7% more will be transferred). For frequencies in the upper GHz and lower THz range, the absorption rate is 50-100% due to voltage displacement and/or doping. Ultralight carbon nanotubes, netted using molecular production methods, have a density of 1.3 g/m2 to 1.4 g/m2. By the time civilization is ready to use this technology, the production of carbon nanotubes can be sufficiently optimized to ensure that their density is below the required 0.7 g/m2, and the average density of a sail with falsification can be maintained up to 0.3 g/m2 (stabilized sail light requires a minimum of additional mass in falsification). If such a sail could be built at such density, a space habitat the size of the proposed L5 O'Neill Society cylinder-500 km2, with a room for more than 1 million inhabitants, weighing 2.72×109 kg (3×106 tons) - can be supported by a circular light sail 3000 km in diameter,× By comparison, it is slightly smaller than the diameter of Jupiter's Europa satellite (although the sail is a flat disc, not a sphere), or the distance between San Francisco and Kansas City.