A gravity assist is using a planet's pull to fling a craft faster. Plan a gravity assist.
The craft gains speed and the planet loses a truly unmeasurable amount of its own. A gravity assist is why journeys to the outer planets take one launch instead of an impossible rocket.
1noungravity assistUsing a planet's pull to fling a craft faster.
“Two gravity assists at Venus set it up for Jupiter.”
gravity assist is a manoeuvre.
Practised in Science & Space