NASA’s Spitzer Space Telescope captured the Cat’s Eye nebula, or NGC 6543, is a well-studied example of a planetary nebula. Such objects are the glowing remnants of dust and gas expelled from moderate-sized stars during their last stages of life.
NASA’s Spitzer Space Telescope captured the Cat’s Eye nebula, or NGC 6543, is a well-studied example of a planetary nebula. Such objects are the glowing remnants of dust and gas expelled from moderate-sized stars during their last stages of life.