overview
What is it: Cat’s Eye Nebula (NGC 6543).
Location: Located 4,300 light-years from Earth in the constellation Draco.
Share date: March 3, 2026.
These amazing snapshots of the universe show distorted, glowing rings of blue, orange and red gas moving away from a dying star. Against a backdrop of a sea of galaxies and stars, this image shows the famous Cat’s Eye Nebula, also known as NGC 6543.
It looks serene and beautiful, but don’t be fooled. This scenic nebula was formed by the messy interaction between the star’s violent winds, outer layers, and powerful jets, which formed its intricate eye-like structure.
Located approximately 4,300 light-years from Earth, Cat’s Eye is a planetary nebula, an expanding cloud of glowing gas ejected by low- to intermediate-mass stars that have reached the final stages of their lives. Unlike more massive stars that die in violent supernova explosions, the central star slowly ejected its outer layers into space, creating a beautifully complex shell of discarded material.
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These stunning images were created using observations from the Hubble Space Telescope and the European Space Agency’s (ESA) Euclid Space Telescope.
Wide-field views of Euclid in visible and near-infrared light show faint arcs and delicate filaments of gas surrounding a bright central region. These faint structures appear to fly away from the scene into space, and are thought to have been ejected during the early stages of a star’s death, before the outer layers forming the main nebula were shed.
Hubble captured details in the nebula’s bright central region. This close-up view was taken using visible light and shows a dead but bright star surrounded by white bubbles and loops of blue gas. Hubble used advanced survey cameras to reveal even finer and more intricate details in the nebula’s core, including intricate bubbles and delicate filamentary structures embedded within the bubbles.
These details serve as a “fossil record” of the nebula, ESA said in a statement. Each bubble corresponds to an episode of mass loss in the dying star. In the image, these bubbles are followed by concentric circles or rings within a brown halo. Each ring marks the boundary of a bubble. Additionally, the data reveals jets of high-energy, high-velocity gas ejecting from the top and bottom of the nebula, shown in pink. There are also dense knots formed by the impact interaction of high-velocity jets and slowly expanding ejected material.
Hubble captures unprecedented detail of the dying star’s bright nest and its surroundings, while Euclid reveals faint arcs and colorful gas filaments just a short distance from the nebula, and a wide cosmic landscape dotted with distant galaxies. Together they present an almost cinematic perspective of a dying star’s final acts.
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