The Sun, stars, nebulae, galaxies, planets; We can see them all from our lonely cosmic address, but not all is revealed in the light our eyes see.  We need to look at the entire electromagnetic spectrum to understand the range of objects we see in the universe.  Our closest star shows us how different it can look when you change the observed wavelength. In high energy ultraviolet and X-ray light we can see the most powerful sunspots emitting their bursts of radiation and the swirls of solar plasma releasing ultraviolet energy in all directions.  We still have a few years...