The region of space surrounding a planet dominated by its magnetic field. Earth's magnetosphere extends tens of thousands of kilometers, shielding the planet from harmful solar wind particles. Without it, solar radiation would strip the atmosphere.
A natural light display in Earth's sky, predominantly seen in high-latitude regions. Auroras are caused by charged parti...
A continuous stream of charged particles from the Sun's corona at 300-800 km/s. It shapes planetary magnetospheres, driv...
Two doughnut-shaped zones of energetic charged particles trapped by Earth's magnetic field. The inner belt is at 1,000-5...
Dive deeper into magnetosphere and related concepts on Cosmos Observatory.