A full-disk multiwavelength extreme ultraviolet image of the sun taken by SDO on March False colors trace different gas temperatures. Reds are relatively cool (about Kelvin, or F); blues and greens are hotter (greater than 1 million Kelvin, or F).
And you thought your day was busy? we-are-star-stuff: A map of our galaxy the Milky Way, showing pulsars (red), planetary nebulae (blue), globular clusters (yellow), and the orbits of several stars. And yet our galaxy is a tiny place.