Thor's Helmet nebula is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. The central star is an extremely hot giant Wolf-Rayet star, though
The Sword Of Orion Art Print by Robert Gendler. All prints are professionally printed, packaged, and shipped within 3 - 4 business days. Choose from multiple sizes and hundreds of frame and mat options.
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