Bok
05-16-2018, 11:21 AM
As our nearest star, the Sun bathes Earth in a steady stream of energetic particles, magnetic fields and radiation that can stimulate our atmosphere and light up the night sky, like the aurora borealis, or northern lights.
More... (http://www.nasa.gov/image-feature/behold-the-northern-lights)
More... (http://www.nasa.gov/image-feature/behold-the-northern-lights)