Hubble Space Telescope captures the stunning final breaths of a dying star
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The new image of the Egg Nebula from the Hubble Space Telescope. | Credit: NASA’s Hubble Space Telescope reveals the clearest view yet of the Egg Nebula, a preplanetary nebula of gas and dust created by a dying sun-like star.
It’s the final act for a star in the constellation Cygnus, located about 1,000 light years away. But this star doesn’t die without one last show, it seems — and NASA’s Hubble Space Telescope captured the final act in stunning detail.
The Egg Nebula, so named for its yolk (the star) surrounded by egg white (clouds of dust and gas), is extraordinarily dynamic, with twin beams of light passing through a series of undulating arcs. While most nebulae shine on their own, thanks to the ionization of the gas, the light here comes from the dying star itself, emerging through the gaps in its dusty shell.
This Hubble Space Telescope The image is not only a beautiful scene, but also a tool that scientists can use to study stellar evolution. The Egg Nebula is a preplanetary nebula — an early form of planetary nebula, which is a glowing shell of gas and dust emitted by a dying sun. star. And it is “the first, youngest and closest pre-planetary nebula ever discovered”. according to NASA. Although planetary nebulae have nothing directly to do with planets, they provide the starting material for future star systems that will have planets, much like ours.
A complete version of the Egg Nebula image. | Credit: NASA, ESA, Bruce Balick (University of Washington)
Since the preplanetary stage lasts only a few thousand years, the Egg Nebula offers scientists the opportunity to observe the ejection process virtually in real time. Over time, the star’s core will become hotter and begin to ionize the surrounding gas, causing the nebula to glow in its own light and marking the next step in evolution.
The first observations focused on the symmetrical patterns of the nebula. Because they are so orderly, scientists believe they do not come from violent movement. supernova blast. Instead, they likely indicate “a coordinated series of poorly understood sputtering events in the carbon-enriched core of the dying star,” NASA writes. This of course deserves further study.
By combining past and recent Hubble observations of the Egg Nebula, researchers have created the most detailed portrait yet of its layered structure, offering new clues about how dying stars sculpt the material that will eventually help form future generations of stars and planets.
