gravity assist

(redirected from Gravity slingshot)
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Related to Gravity slingshot: Slingshot effect

gravity assist

n.
The use of the gravitational field of a moon, planet, or other moving celestial object to change a spacecraft's trajectory, especially to increase its velocity.
References in periodicals archive ?
They let gravity slingshot them around the Moon and bring them back towards Earth, but they did use the LM's descent engine-the only undamaged engine-for mid-course corrections.
And then we likely won't see it again for at least a century, after Earth's gravity slingshots the space rock onto a shorter orbit that takes it closer to the sun," he added.