escape velocity

English

Noun

escape velocity (plural escape velocities)

  1. (astrophysics) The minimum speed needed to escape the gravitational field of a planet or other body.
    • 1996, Thomas Arny, Explorations: An Introduction to Astronomy, McGraw-Hill Science, page 74:
      The gravitational force exerted by a planet determines its surface gravity and escape velocity.

Translations

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