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  2. Speed of gravity - Wikipedia

    en.wikipedia.org/wiki/Speed_of_gravity

    The speed of gravitational waves in the general theory of relativity is equal to the speed of light in vacuum, c. [3] Within the theory of special relativity, the constant c is not only about light; instead it is the highest possible speed for any interaction in nature.

  3. Faster-than-light - Wikipedia

    en.wikipedia.org/wiki/Faster-than-light

    Faster-than-light (superluminal or supercausal) travel and communication are the conjectural propagation of matter or information faster than the speed of light in vacuum (c). The special theory of relativity implies that only particles with zero rest mass (i.e., photons ) may travel at the speed of light, and that nothing may travel faster.

  4. FTL: Faster Than Light - Wikipedia

    en.wikipedia.org/wiki/FTL:_Faster_Than_Light

    FTL: Faster Than Light is a roguelike game created by indie developer Subset Games, which was released for Windows, MacOS, and Linux in September 2012. [4] In the game, the player controls the crew of a single spacecraft, holding critical information to be delivered to an allied fleet, while being pursued by a large rebel fleet.

  5. Alcubierre drive - Wikipedia

    en.wikipedia.org/wiki/Alcubierre_drive

    The Alcubierre drive ([alkuˈβjere]) is a speculative warp drive idea according to which a spacecraft could achieve apparent faster-than-light travel by contracting space in front of it and expanding space behind it, under the assumption that a configurable energy-density field lower than that of vacuum (that is, negative mass) could be created.

  6. Elite Dangerous - Wikipedia

    en.wikipedia.org/wiki/Elite_Dangerous

    An alternative variant of the Frame-Shift Drive, the game's method of faster-than-light travel, would be developed by integrating Thargoid Titan technology into human components. The Supercruise Overcharge (SCO) , [ 45 ] as it's called, would vastly increase the speed of travel at the cost of lessened stability, excessive heat buildup, and ...

  7. Le Sage's theory of gravitation - Wikipedia

    en.wikipedia.org/wiki/Le_Sage's_theory_of...

    Contrary to the drag effect, this component will act to accelerate both objects away from each other. In order to maintain stable orbits, the effect of gravity must either propagate much faster than the speed of light or must not be a purely central force. This has been suggested by many as a conclusive disproof of any Le Sage type of theory.

  8. Two-body problem in general relativity - Wikipedia

    en.wikipedia.org/wiki/Two-body_problem_in...

    Eddington's 1919 measurements of the bending of star-light by the Sun's gravity led to the acceptance of general relativity worldwide. Around 1904–1905, the works of Hendrik Lorentz, Henri Poincaré and finally Albert Einstein's special theory of relativity, exclude the possibility of propagation of any effects faster than the speed of light ...

  9. Warp drive - Wikipedia

    en.wikipedia.org/wiki/Warp_drive

    A warp drive or a drive enabling space warp is a fictional superluminal (faster than the speed of light) spacecraft propulsion system in many science fiction works, most notably Star Trek, [1] and a subject of ongoing real-life physics research.