The first image of the sun captured by NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), which is sensitive to high-energy X-ray light. X-rays seen by NuSTAR show up as green and blue in the photo, which is overlaid on an image taken by NASA's Solar
Kappa Cassiopeiae - A Runaway Variable Supergaint Star Approximately 4000 away from earth in the constellation Cassiopeia there is a Variable Blue Supergaint Star known as Kappa Cassiopeiae. This Star.
Clouds of Perseus ~ contains over solar masses of gas and dust, but the eye is drawn to red NGC Known as the California Nebula, its characteristic glow of atomic hydrogen gas is fueled by ultraviolet light from luminous blue star Xi Persei.