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
Exosphere, outermost region of a planetâs atmosphere, where molecular densities are low and the probability of collisions between molecules is very small. The base of the exosphere is called the critical level of escape because, in the absence of collisions, lighter, faster-moving atoms such as hydrogen and helium may attain velocities that allow them to escape the planetâs gravitational field.