noun
- the region of space near Earth, including the upper atmosphere, ionosphere, and magnetosphere, studied in geophysics and space science.
Usage: technical; scientific
Examples
- Satellites monitor conditions in geospace to predict space weather events.
- The magnetosphere is a key component of geospace.
- Geospace research helps scientists understand solar wind interactions with Earth's magnetic field.
- Solar storms can cause significant disturbances throughout geospace.
- Geospace extends from the upper atmosphere to several Earth radii into space.