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(Image credit: CTIO/NOIRLab/DOE/ NSF/AURA)
Quick Facts
What it is: Star PicII-503 inside the Pictor II dwarf galaxy
Where it is: 150,000 light-years from Earth in the Pictor constellation
When it was shared: March 16, 2026
This stunning breeze, taken by the Dark Energy Camera(DECam)installed atop the Víctor M. Blanco 4-meter(13 feet )Telescope in Chile, reveals a glistening field of stars inside the dwarf galaxy
Pictor II, which is more than 10 billion years of ages.
Population II stars formed when the universes was young and stars had yet to fuse much heavier components into presence, suggesting they are made up mainly of hydrogen and helium. This implies that PicII-503 has approximately just 1-40,000 th of the iron included within our much more youthful sun.
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What the star does not have in iron it makes up for in carbon. Like numerous Pop II stars, PicII-503 is abnormally abundant in the things, having a carbon-to-iron ratio that’s more than 1,500 times the ratio in the sun, scientists stated in a declaration
PicII-503’s place inside Pictor II (Image credit: CTIO/NOIRLab/DOE/ NSF/AURA Image processing: Image Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), M. Zamani & D. de Martin (NSF NOIRLab)Acknowledgment: PI: Anirudh Chiti, Alex Drlica-Wagner)Astronomers have actually proposed lots of theories why this might hold true however since lots of Pop II stars are found after they’ve moved far from their birth places, these tips have actually been difficult to validate.
PicII-503 is still situated within its primitive dwarf galaxy, so astronomers acted as “stellar archeologists,” utilizing the star’s structure to check their theories. The star’s carbon-rich makeup provides credence to a concept that, throughout the violent supernova surge at the end of a star’s life, light-weight carbon in the star’s external shell is flung further away than other components.
That might likewise discuss why carbon winds up all over in deep space, making it an incredibly ideal aspect to serve as the essential foundation for life
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Ben Turner is a U.K. based author and editor at Live Science. He covers physics and astronomy, tech and environment modification. He finished from University College London with a degree in particle physics before training as a reporter. When he’s not composing, Ben takes pleasure in checking out literature, playing the guitar and awkward himself with chess.
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