libration : Definition, Usages, News and More

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libration

lahyb ray shuhn

  • n  (astronomy) a real or apparent slow oscillation of a moon or satellite
    the libration of the moon

  • The cylinders would be built at the constantly moving "libration points," where the gravity of the earth and of the moon cancel each other out.
  • In June 1982 they instituted a series of computer commands and gentle rocket bursts that swung the spacecraft out of its libration-point orbit into eccentric earth orbits.

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