Definition of deep space in English:
Another term for outer space.
- In deep space beyond the asteroid belt, solar power arrays do not work.
- NASA hope to conduct the first flight demonstration in 2005 with a view to launching a deep space mission in the next decade.
- So when, one drunken night, Alan suggested they sign up for the projected deep space mission Santa Maria, he agreed.
Definition of deep space in:
- US English dictionary