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In science fiction, hyperspace (also known as nulspace, subspace, overspace, jumpspace and similar terms) is a concept relating to higher dimensions as well as parallel universes and a faster-than-light (FTL) method of interstellar travel. In its original meaning, the term hyperspace was simply a synonym for higher-dimensional space.
The FTL hyperspace propulsion system in the stories is around 600 years old at the time period in which the novels are placed. This technology uses the ability to "sail" along a vast network of "gravity waves" on different successively higher hyperbands, each higher band giving a more-efficient speed multiplier but requiring more powerful ...
In the context of this article, "faster-than-light" means the transmission of information or matter faster than c, a constant equal to the speed of light in vacuum, which is 299,792,458 m/s (by definition of the metre) [3] or about 186,282.397 miles per second.
Artist rendition of a spaceship entering warp drive. Generic terms for engines enabling science fiction spacecraft propulsion include "space drive" and "star drive". [g] [2]: 198, 216 In 1977 The Visual Encyclopedia of Science Fiction listed the following means of space travel: anti-gravity, [h] atomic (nuclear), bloater, [i] cannon one-shot, [j] Dean drive, [k] faster-than-light (FTL ...
The Alcubierre metric defines the warp-drive spacetime.It is a Lorentzian manifold that, if interpreted in the context of general relativity, allows a warp bubble to appear in previously flat spacetime and move away at effectively faster-than-light speed.
Compared to the hyperspace drives of other fictional universes, it differs in that a spaceship does not leave the normal space-time continuum and instead the space-time itself is distorted, as is made possible in the general theory of relativity. [7] The basic functional principle of the warp drive in Star Trek is the same for all spaceships.
Source material makes it clear that only the desperate or foolhardy would attempt traveling in hyperspace without an up-to-date navi-computer as a ship can easily smash into a hazard without one. Some small Star Wars spacecraft (such as the X-wing) use an astromech droid in place of a navi-computer due to size restrictions. [18] [19]
In the days before faster-than-light travel (FTL), nine stations are laboriously constructed around nine stars, all lacking habitable planets. The stationers and the merchanters who man the ships that supply them both develop distinct cultural identities, but remain psychologically and to some degree materially dependent on Earth. Still ...