All outer space synonyms
out·er space
O o noun outer space
- intergalactic space — the region of physical space that exists between galaxies. The density is negligible, and close to an almost total vacuum
- interplanetary space — the region of space occurring around the sun and planets of the solar system. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur
- interstellar space — astronomy: space between the stars
- cosmos — The cosmos is the universe.
- deep space — any region of outer space beyond the system of the earth and moon