Earth’s magnetic field provides vital protection (ESA) capaz de nos proteger impossible composition atmosphérique composition atmosphérique planetary alignment occurred on 6 January 2008 View on desktop site protects our atmosphere from harmful radiation solar winds and other extraterrestrial threats rebuffing most of the particles sent our way protege Earth’s Magnetic Shield Provides Vital Protection umgibt und schützt esa.int protects our atmosphere from harmful radiation magnetic field