Spectacular Nebula Photos Captured By Space Telescope's X-Ray Vision

SPACE.com
Spectacular Nebula Photos Captured By Space Telescope's X-Ray Vision
This image is NGC 6543 known as the Cat's Eye Nebula. A planetary nebula is a phase of stellar evolution that the sun should experience several billion years from now, when it expands to become a red giant and then sheds most of its outer layer
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