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Artificial gravity, or rotational gravity, is thus the appearance of a centrifugal force in a rotating frame of reference (the transmission of centripetal acceleration via normal force in the non-rotating frame of reference), as opposed to the force experienced in linear acceleration, which by the equivalence principle is indistinguishable from ...
1994: The humans in the science fiction series Babylon 5 live in an O'Neill cylinder station using rotating sections to provide artificial gravity. Earth Alliance space stations such as the Babylon series (hence the name of the series), transfer stations such as the one at Io near the main Sol system jump gate, and EarthForce Omega-Class ...
The centrifuge would have provided controlled acceleration rates (artificial gravity) for experiments and the capability to: Expose a variety of biological specimens that are less than 24.5 in (0.62 m) tall to artificial gravity levels between 0.01g and 2g. Simultaneously provide two different artificial gravity levels.
Gravity-gradient stabilization was first used in low Earth orbit and was tested unsuccessfully for geosynchronous orbit in the Applications Technology Satellites ATS-2, ATS-4 and ATS-5 from 1966 until 1969. [4] The lunar orbiter Explorer 49 launched in 1973 was gravity gradient oriented (Z axis parallel to local vertical). [5]
One is the effects of centrifugal force upon the shape of the surface of water rotating in a bucket, equivalent to the phenomenon of rotational gravity used in proposals for human spaceflight. The second is the effect of centrifugal force upon the tension in a string joining two spheres rotating about their center of mass.
Also unlike the 1970s NASA proposals, where habitats would be placed in cislunar space or the Earth–Moon L 4 /L 5 Lagrangian points, Forrest Bishop considered other possible positions, including the much more distant Sun–Earth L 4 /L 5 Lagrangian points, positions closer to the Sun, and positions in the asteroid belt or beyond.
In contrast with the Alderson disk, the Aysle "diskworld" works according to fantasy physics, including a "gravity plane" that bisects the disk laterally, so that opposite sides "fall" towards the plane. The diskworld of Aysle had a bobbing Sun and multiple inner layers. Both sides of the disk were inhabited, as were the internal layers.
Anti-gravity (also known as non-gravitational field) is the phenomenon of creating a place or object that is free from the force of gravity. It does not refer to either the lack of weight under gravity experienced in free fall or orbit , or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift .