Definition that contains gravitational field
- mass the property of a body that causes it to have weight in a gravitational field
- capture a process whereby a star or planet holds an object in its gravitational field
- solar system the sun with the celestial bodies that revolve around it in its gravitational field
- gravity meter a measuring instrument for measuring variations in the gravitational field of the earth
- terrestrial guidance a method of controlling the flight of a missile by devices that respond to the strength and direction of the earth's gravitational field
- black hole a region of space resulting from the collapse of a star; extremely high gravitational field
- gravity-assist (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field
- escape velocity the minimum velocity needed to escape a gravitational field
- principle of equivalence (physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference
- gravimeter a measuring instrument for measuring variations in the gravitational field of the earth