![](https://www.nasa.gov/sites/default/files/thumbnails/image/northamerica_vir_2018111_lrg.jpg)
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. via NASA http://www.nasa.gov/image-feature/behold-the-northern-lights