Synonyms for (noun) outer space

Synonyms: outer space, space

Definition: any location outside the Earth's atmosphere

Usage: the astronauts walked in outer space without a tether; the first major milestone in space exploration was in 1957, when the USSR's Sputnik 1 orbited the Earth

Similar words: location

Definition: a point or extent in space

Similar words: space, infinite

Definition: the unlimited expanse in which everything is located

Usage: they tested his ability to locate objects in space; the boundless regions of the infinite