KnowraCat's Eye NebulaLinked fromLinked fromThe 5 pages that link to Cat's Eye Nebula, each with the reason it gives.All 5Broader topic 3Related 1Compared with 1Planetary nebulaBroader topic: Its nested shells and knots display multiple episodes of mass loss.William HugginsBroader topic: Huggins’s observations of this nebula contributed to the evidence that nebulae can be gaseous.Margaret Lindsay HugginsBroader topic: Its spectrum was among the Hugginses' notable observations of nebulae.