gravity well

== English == === Etymology === From gravity +‎ well, (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Who coined this? When?”) === Noun === gravity well (plural gravity wells) (astrodynamics) The area of space around a celestial body that is dominated by the body's gravitational field. Synonym: gravitational well ==== Translations ====