What causes the Aurora Borealis?

Question

circulation of Van Allen belts around the planet

movement of charged particles in the outer core

charged particles from solar wind hitting the upper atmosphere

presence of charged particles in the inner core

Answer 1

The Aurora Borealis, also known as the Northern Lights, is caused by charged particles from the solar wind hitting the Earth's upper atmosphere. When these particles collide with gas molecules in the atmosphere, they create a beautiful display of colored lights in the sky.