Sphere World

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A Sphere World is an artificial planetoid, a sophont-made moon, of great size and stature.

Library Data Referral Tree[edit]

Please refer to the following AAB Library Data for more information:
Astrography:

Description (Specifications)[edit]

As first postulated by and named for Terran scientist Freeman Dyson, a spherical swarm of orbiting "capsules" could be set into orbits around a star at a given distance in a spherical distribution, completely enclosing the star and trapping nearly all of its output energy for use by an extremely advanced civilization. Such a structure has been variously referred to as either a Dyson Sphere or a Sphereworld.

Planetary Characteristics[edit]

At higher technological levels of advancement than that used to construct a standard Dyson Sphere, a Rigid Dyson Sphere is hypothetically feasible using incredibly strong materials similar to those in a Niven Ringworld, adding gravity generators where necessary for strength and comfort. A spherical shell such as this would completely enclose a star.

  • In either case, such a shell would then trap all stellar radiation for use by the civilization. With a radius of 149 million kilometers (about 93 million miles), the internal surface area would equal about one billion planets the size of Terra.

Probably Planetary Orbit & Climate[edit]

Sphere Worlds are artificial and are typically constructed in the Habitable Zone of a star system.

Spectrum of Dyson Megastructures[edit]

No information yet available.

History & Background (Dossier)[edit]

First postulated by Terran scientist Freeman Dyson prior to first contact with the Vilani.

Sphereworld UWP[edit]

Standard ("many-capsule") Sphereworlds are estimated to be approximately TL:25-27 manufacturing capability, whereas Rigid Sphereworlds are are estimated to be approximately TL:28-30 manufacturing capability.

  • "Small" sphereworlds use world and gas giant size codes. "Dyson" sphereworlds use a size code of 'Y', indicating a stellar-scale construct. They all have the comment code 'Ax'. Due to TL skew, most UWPs with a size code Y and comment code Ax will be ringworlds, but sphereworlds also inhabit this space. Therefore, additional notes are typically expected.

Worlds & Sectors (Astrography)[edit]

This astrographic feature is primarily found in the following areas:
Charted Space:

World Listing: 1105[edit]

The following systems and worlds are associated with this astrographic feature:

2 of 2 World articles in Sphere World
Sphere  •  Varen's Planet  •  
startbacknext(2 listed)


References & Contributors (Sources)[edit]

Smallwikipedialogo.png This page uses content from Wikipedia. The original article was at Dyson_sphere. The list of authors can be seen in the page history. The text of Wikipedia is available under the Commons Attribution-ShareAlike 3.0 Unported License.
This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.