Astronomers combined observations from the Hubble and Euclid space telescopes to produce a detailed image of the Cat’s Eye Nebula. The composite view reveals intricate shells, jets, and a faint outer ring formed from earlier eruptions of the dying star.​Astronomers combined observations from the Hubble and Euclid space telescopes to produce a detailed image of the Cat’s Eye Nebula. The composite view reveals intricate shells, jets, and a faint outer ring formed from earlier eruptions of the dying star.  ​ science