Planetary Nebula

This image is of planetary nebula NGC 7662 as seen with the Chandra X-Ray Observatory. 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 layers, leaving behind a hot core that contracts to form a dense white dwarf star. This image was released October 10, 2012. (Photo by J. Kastner/NASA/CXC/RIT)
Planetary Nebula
   
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