© Follow us on Twitter @Spacedotcom and on Facebook. Schmidt detailed his findings July 18 in The Astrophysical Journal Letters. Any arbitrarily selected point on the surface of the sphere can be viewed as being under the pressure of the base of a dome 1 AU in height under the Sun's gravity at that distance. This construction approach has advantages: components could be sized appropriately, and it can be constructed incrementally. [5][6], Berechnung der durch den Strahlungsdruck abgestützten Masse, Raumschiff Enterprise: Das nächste Jahrhundert, www.heise.de: Eine kurze Zukunftsgeschichte der Technologie von Freeman Dyson, KIC 8462852: Rätselhafter Stern weckt Alien-Phantasie.
The lightest carbon-fiber light-sail material currently produced has a density—without payload—of 3 g/m2, or about four times as heavy as would be needed to construct a solar statite. Also if assuming a radius of 1 AU, there may not be sufficient building material in the Solar System to construct a Dyson shell.
Future US, Inc. 11 West 42nd Street, 15th Floor, It has been proposed that a biosphere could be contained between two concentric spheres, placed on the interior of a rotating sphere (in which case, the force of artificial "gravity" is perpendicular to the axis of rotation, causing all matter placed on the interior of the sphere to pool around the equator, effectively rendering the sphere a Niven ring for purposes of habitation, but still fully effective as a radiant-energy collector) or placed on the outside of the sphere where it would be held in place by the star's gravity. [2], 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. Although the construction of such a massive habitable statite would be a gigantic undertaking, and the required material science behind it is early stage, there are other engineering feats and required materials proposed in other Dyson sphere variants. The epilogue reveals that the Sphere and its inhabitants are still fine, but now smaller than an atom - apparently a self-defense mechanism of the Sphere's artificial intelligence system. Star Trek: Deep Space Nine – Das technische Handbuch, https://memory-alpha.fandom.com/de/wiki/Dyson-Sphäre?oldid=641832. However, the disruption compared to a star's overall natural emitted spectrum would most likely be too small for Earth-based astronomers to observe.[2]. Further analysis using data from the European Space Agency's Gaia space observatory found that these potential dippers tended to be either conventional "main-sequence" stars with about the same mass as the sun or red giant stars with about twice the sun's mass. Ein Schiff der Galaxy-Klasse bräuchte sieben Stunden, um die komplette Innenoberfläche abzusuchen. "I expected more occasional dips like Boyajian's star.". Die Enterprise-D in der Umlaufbahn um eine Dyson-Sphäre. Ethan Siegel explained over It Starts With a Bang, “Many disks are very thin, and we’re used to seeing them at an angle.
Die USS Jenolan wird 2294 nach einer Fehlfunktion des Warpantriebs durch das enorme Gravitationsfeld zum Absturz auf die äußere Oberfläche einer Dyson-Sphäre, die einen Stern des G-Typs umschließt, gebracht.
George Dvorsky has advocated the use of self-replicating robots to overcome this limitation in the relatively near term. One such gate has appeared in … A second type of Dyson sphere is the "Dyson bubble". Maybe the star was surrounded by a Dyson sphere, a theoretical object that encompasses a sun essentially gathering all of its energy. Ihr Durchmesser beträgt über 200 Millionen Kilometer, mit einer Innenoberfläche welche laut Data der 250 Millionen-fachen Oberfläche eines Klasse-M-Planeten[1] entsprechen würde. The variant closest to Dyson's original conception is the "Dyson swarm". Such structures would need either some form of propulsion to counteract any drift, or some way to repel the surface of the sphere away from the star. [4] In der Science-Fiction-Literatur wurde es unter anderem durch Charles Stross in seinem Roman Accelerando bekannt gemacht. Eine Dyson-Sphäre ist eine nach dem englischen Physiker und Mathematiker Freeman Dyson benannte und ursprünglich hypothetisch erdachte Megastruktur, welche einen Stern vollständig umhüllt.
Over the period of 78.8 days of observation of EPIC 204278916 it was observed that there was irregular dipping up to 65% for about 25 consecutive days. Only a tiny fraction of a star's energy emissions reach the surface of any orbiting planet. [14] Another illustration: Regular printing paper has a density of around 80 g/m2. He then followed up on promising candidates by examining their long-term behavior, using data from the All-Sky Automated Survey for Supernovae, ruling out sources whose dimming could be caused by conventional explanations such as an eclipsing companion star or some intrinsic variability in brightness. • Freeman J. Dyson and Richard Carrigan (2009) Dyson sphere. With Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn. . [33] Fermilab discovered 17 potential "ambiguous" candidates, of which four have been named "amusing but still questionable". Non-shell designs would intercept less, but the shell variant represents the maximum possible energy captured for the Solar System at this point of the Sun's evolution. [13], For the same reason, such a shell would have no net gravitational interaction with anything else inside it.
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