最終更新日：2024/07/28

(astrophysics) The minimum speed needed to escape the gravitational field of a planet or other body.

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元となった辞書の項目

escape velocity

noun

(astrophysics) The minimum speed needed to escape the gravitational field of a planet or other body.

The escape velocity of a rocket determines whether it can leave Earth's atmosphere.

意味（1）

(astrophysics) The minimum speed needed to escape the gravitational field of a planet or other body.

The gravitational force exerted by a planet determines its surface gravity and escape velocity.