... A big bright star near the center of the red region appears white hot and emits light so energetic . A Distant Cluster of Galaxies . ... Oddly - most of them are spiral galaxies. This rich cluster of galaxies, named CL 0939+4713, is almost half way across the visible universe. ... In this dramatic picture, spiral galaxy NGC 5091 appears in the foreground. ... Can you see through the spiral galaxy? ... On the far side of our Galaxy, gas clouds explode away from a small black hole. ...