03/03/2026
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For this month’s ESA/Hubble Picture of the Month, NASA/ESA’s Hubble House Telescope is joined by ESA’s Euclid to create a brand new view of probably the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, often known as NGC 6543.
This extraordinary planetary nebula within the constellation Draco has captivated astronomers for many years with its elaborate and multilayered construction. Observations with ESA’s Gaia mission place the nebula at a distance of about 4300 light-years.
Planetary nebulae, so-called due to their spherical form when seen via early telescopes, are in truth increasing gasoline thrown off by stars of their remaining phases of evolution. It was the Cat’s Eye Nebula itself the place this reality was first found in 1864 – analyzing the spectrum of its gentle reveals the emission from particular person molecules that’s attribute of a gasoline, distinguishing planetary nebulae from stars and galaxies.
Right here, the nebula is showcased via the mixed eyes of the NASA/ESA Hubble House Telescope and ESA’s Euclid, highlighting the outstanding complexity of stellar dying.
Although primarily designed to map the distant Universe, Euclid captures the Cat’s Eye Nebula as a part of its deep imaging surveys. In Euclid’s broad, near-infrared and visual gentle view, the arcs and filaments of the nebula’s shiny central area are located inside a halo of vibrant fragments of gasoline zooming away from the star.
This ring was ejected from the star at an earlier stage, earlier than the principle nebula on the centre shaped. The entire nebula stands out towards a backdrop teeming with distant galaxies, demonstrating how native astrophysical magnificence and the farthest reaches of the cosmos may be seen collectively in fashionable astronomical surveys.
Inside this broad view of the nebula and its environment, Hubble captures the very core of the billowing gasoline with high-resolution visible-light pictures, including further element within the centre of this picture. The information reveal a tapestry of concentric shells, jets of high-speed gasoline and dense knots sculpted by shock interactions, options that seem nearly surreal of their intricacy. These constructions are believed to file episodic mass loss from the dying star on the nebula’s centre, making a sort of cosmic ‘fossil file’ of its remaining evolutionary phases.
Combining the targeted view of Hubble with Euclid’s deep discipline observations not solely highlights the nebula’s beautiful construction but additionally locations it inside the broader context of the Universe that each house telescopes discover. Collectively, these missions present a wealthy and complementary view of NGC 6543 – revealing the fragile interaction between stellar end-of-life processes and the huge surrounding house.
Extra info
The Hubble Space Telescope is a project of international cooperation between ESA and NASA.
