outer space

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any location outside the Earth's atmosphere (Freq. 1)
- 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
• Syn:
space
• Hypernyms:
space, infinite, location
• Part Holonyms:
aerospace
• Part Meronyms:
interplanetary space, interstellar space, intergalactic space, deep space