Definition of inexistent in the Definitions.net dictionary. Meaning of inexistent. What does inexistent mean? Information and translations of inexistent in the most comprehensive dictionary definitions resource on the web.
Outer space definition: Outer space is the area outside the earth's atmosphere where the other planets and stars... | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
Although the thermosphere is considered part of Earth's atmosphere, the air density is so low in this layer that most of the thermosphere is what we normally think of as outer space. In fact, the most common definition says that space begins at an altitude of 100 km (62 miles), slightly above the mesopause at the bottom of the thermosphere.