Monochromatic image of the Bubble Nebula (NGC 7635) in Cassiopeia, a 10 light-year diameter cosmic bubble sculpted by stellar winds from a massive star. The image reveals intricate details of the glowing gas and surrounding dust, showcasing the violent processes that created this celestial structure. The bright star near the center is the source of the powerful stellar wind responsible for the nebula's shape.
Astronomy Picture from 18/10/2006
NGC 7635: The Bubble
Source: https://apod.nasa.gov/apod/ap061018.html
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