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Astronomers Found an Ancient Galaxy with a Halo of Dark Matter – Gizmodo Australia

Some 163,000 light-years from the Milky Way is a much smaller, much more ancient galaxy: Tucana II, so named for the tropical bird-resembling constellation in which…

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Some 163,000 light-years from the Milky Way is a much smaller, much more ancient galaxy: Tucana II, so named for the tropical bird-resembling constellation in which it sits. Sitting at the periphery of our galaxys gravitational pull, Tucana II provides researchers with the opportunity to understand the composition of the earliest galactic structures in the universe.
Now, a team of astronomers has found evidence of an extended dark matter halo around the galaxy. Their research was published today…

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