These belts are formed like two nested doughnuts. Their dimensions alter determined by solar activity and, sometimes, on how we product them. What is still badly understood, on the other hand, is what takes place when particles through the sun strike the belts for the duration of a geomagnetic storm. https://radiation-zone-of-the-sun96058.fireblogz.com/65929657/radiation-zones-on-earth-an-overview