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  2. Artificial gravity - Wikipedia

    en.wikipedia.org/wiki/Artificial_gravity

    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 ...

  3. Centrifuge Accommodations Module - Wikipedia

    en.wikipedia.org/wiki/Centrifuge_Accommodations...

    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.

  4. Geopotential spherical harmonic model - Wikipedia

    en.wikipedia.org/wiki/Geopotential_spherical...

    Gravity does not physically exhibit any dipole character and so the integral characterizing n = 1 must be zero. The different coefficients J n , C n m , S n m , are then given the values for which the best possible agreement between the computed and the observed spacecraft orbits is obtained.

  5. Rotating wheel space station - Wikipedia

    en.wikipedia.org/wiki/Rotating_wheel_space_station

    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 ...

  6. Gravimetry - Wikipedia

    en.wikipedia.org/wiki/Gravimetry

    Gravity is usually measured in units of acceleration.In the SI system of units, the standard unit of acceleration is metres per second squared (m/s 2).Other units include the cgs gal (sometimes known as a galileo, in either case with symbol Gal), which equals 1 centimetre per second squared, and the g (g n), equal to 9.80665 m/s 2.

  7. Gravity-gradient stabilization - Wikipedia

    en.wikipedia.org/wiki/Gravity-gradient_stabilization

    The technique exploits the Earth's gravitational field and tidal forces to keep the spacecraft aligned along the desired orientation. The gravity of the Earth decreases according to the inverse-square law , and by extending the long axis perpendicular to the orbit, the "lower" part of the orbiting structure will be more attracted to the Earth.

  8. Journal of Geophysical Research - Wikipedia

    en.wikipedia.org/wiki/Journal_of_Geophysical...

    The Journal of Geophysical Research is a peer-reviewed scientific journal. It is the flagship journal of the American Geophysical Union. [1] It contains original research on the physical, chemical, and biological processes that contribute to the understanding of the Earth, Sun, and Solar System. It has seven sections: A (Space Physics), B ...

  9. Geodesy - Wikipedia

    en.wikipedia.org/wiki/Geodesy

    Geodesy or geodetics [1] is the science of measuring and representing the geometry, gravity, and spatial orientation of the Earth in temporally varying 3D.It is called planetary geodesy when studying other astronomical bodies, such as planets or circumplanetary systems. [2]