Deep Space Astrophotography Print – Cosmic Shockwave in Cassiopeia Witness one of the most fascinating structures in our galaxy — NGC 7635, the Bubble Nebula. Located 7,100 light years away in the constellation Cassiopeia, this glowing sphere of gas has been sculpted by the intense stellar winds of a massive star burning millions of times brighter than our Sun. The result: a beautiful cosmic bubble floating in a sea of interstellar dust and glowing hydrogen clouds. This high-resolution astrophotograph reveals the expanding shock wave, sharp ionization fronts, and rich nebular detail surrounding the bubble’s shell. The striking contrast of icy blues and fiery crimson hydrogen emission creates a visually stunning and scientifically accurate portrait of this deep-space phenomenon.