One Name for the Region of Outer Space Near Earth

This page is the CodyCross answer for the clue below from Paris, Group 241, Puzzle 5 (Palace of Versailles).

Question is: One Name for the Region of Outer Space Near Earth

and the answer is: GEOSPACE

Word Meaning:

GEOSPACE — The region of outer space near Earth, including the upper atmosphere, ionosphere and magnetosphere.

Definitions from Wiktionary.