Astronomers Discover the Most Pristine Star Ever Found
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Astronomers have discovered the most chemically pristine star ever observed, named SDSS J0715-7334, which offers a rare glimpse into the universe's earliest chapters. The star belongs to only the second generation of stars formed in the universe, emerging a few billion years after the Big Bang.
An international team of astronomers has identified a ancient star using data from the Sloan Digital Sky Survey-V and follow-up observations from the Magellan telescopes at Carnegie Science's Las Campanas Observatory in Chile. The star, named SDSS J0715-7334, is the most chemically pristine star ever observed. It belongs to the second generation of stars formed in the universe, emerging a few billion years after the Big Bang. The discovery was led by University of Chicago astronomer Alexander Ji and included Carnegie astrophysicist Juna Kollmeier. The team used the Magellan telescopes to collect high-resolution spectra and confirm their findings. The star's discovery provides a rare glimpse into the universe's earliest chapters.
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