northern light

• magnetic field deflects charged particles from the sun. if they hit the earths surface, they can destroy life
• however, some of these charged particles can get through to our atmosphere at the north and south poles
• oxygen and nitrogen exert off energy called photons
• the magnetic field is created by a spinning iron core in the inner and outer core
• outside layer of earth is called the crust, then the mantle, then the outer core, then the inner core