English

Noun

geospace ‎(uncountable)

1. The region of outer space near Earth, including the upper atmosphere, ionosphere and magnetosphere.
2. The region of space that goes from the solar photosphere to the mesosphere of Earth. It includes the solar photosphere, chromosphere and corona, the solar wind, Earth's magnetosheath, magnetosphere, thermosphere, ionosphere and mesosphere.

See also

• geospatial