Labels:apron | monitor | sky | stairway OCR: MA G N ETO SP ER E The region around planet where the planet's magnetic field is stronger than the magnetic field of the Sun. The magnetosphere generally considered to begin in the planet's ionosphere and extend outward several planetary radil. The region where the planet's field is in equilibrium with the Sun's magnetic field and the solar wind, the boundar of the magnetosphere IS the magnetopa use The magnetopause Is closest to the planet in the direction toward the sun at the bow shock Behind the planet, the magnetotai can stream to distances many times the radius of the planet boundary airection