eleven-rings-or-shells-of-gas-make-up-the-cats-eye-nebula-which-is-one-of-the-first-planetary-nebulae-discovered Published May 15, 2015 at 1200 × 1200 in The Words that Started it All ← Previous Cat’s Eye Nebula taken by the Hubble telescope Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)