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The moment during a space flight when a rocket's fuel or oxidizer propellant has been entirely consumed, and so the engine stops firing. The rocket is then jettisoned from a spacecraft or goes into free flight. The burnout velocity is the maximum velocity reached by a rocket or spacecraft when burnout occurs.

Burnout weight is the weight of a rocket after burnout has occurred. This is contrasted with its initial weight.

Subjects: Astronomy and Astrophysics.

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