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WR 134 Ring Nebula

This cosmic snapshot in Cygnus shows a ring-like nebula, a shell of material swept up by the strong winds of Wolf-Rayet star WR 134. The bright edges of the nebula glow with ionized sulfur, hydrogen, and oxygen gas. Wolf-Rayet stars are massive, hot stars that shed their outer layers at high speeds, creating these intricate structures in the interstellar medium.