first cosmic velocity

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English

Etymology

From first +‎ cosmic +‎ velocity, from being the first velocity greater than that able to be held upon the Earth, thus entering the realm of the Cosmos.

Proper noun

first cosmic velocity

  1. The velocity in a circular orbit about the Earth.

Noun

first cosmic velocity (plural first cosmic velocities)

  1. The velocity in a circular orbit.

Synonyms

Coordinate terms