Meaning of the word "outer space" in English

What does "outer space" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

outer space

US /ˌaʊtər ˈspeɪs/
UK /ˌaʊt.ə ˈspeɪs/
"outer space" picture

Noun

the physical universe beyond the earth's atmosphere

Example:
•
Astronauts explore outer space.
•
The satellite was launched into outer space.