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Globular cluster stream in distant galaxy offers new dark matter insights

A stellar stream in a distant ultra-diffuse galaxy offers a rare chance to map dark matter and understand its behavior, revealed by new research published in Nature.
For the first time, researchers have identified a globular cluster stellar stream outside the Milky Way, locating it within an ultra-diffuse galaxy. The discovery, published in Nature, offers a new approach to studying dark matter, which constitutes 80-85 percent of the universe’s mass but remains largely mysterious. “We have discovered a globular cluster stellar stream in another galaxy,” says PhD student Julie Kiel Holm of the Niels Bohr Institute, highlighting the excitement surrounding this previously…
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