# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Astro*Dictionary by Michael Erlewine

 

 

 

 

1 article for "Escape Velocity"

Escape Velocity [Astro*Index]

The speed necessary to escape from the gravitational field of a body. The velocity, Ve, required to escape from an orbit is obtained by allowing the semi-major axis, a, to tend to infinity, yielding:       Ve = sqrt(2gR2/r)

See also: ♦ Orbital Velocity ♦ Semi-major Axis

 

Astro*Index Copyright © 1997 Michael Erlewine

 

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