magnetopause
/mæɡˈniːtoʊpɔːz/
noun
- The boundary between a planet's magnetosphere and the surrounding solar wind, where the magnetic field of the planet balances the pressure of the solar wind.
- The magnetopause of Earth is located about 65,000 kilometers from the planet on the side facing the Sun.
- The shape of the magnetopause changes depending on the strength of the solar wind.
- Space probes have measured changes in the magnetopause during solar storms.