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upstart [soylentnews.org] writes:

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upstart [soylentnews.org] writes in with an IRC submission:

Astronomers Found an Ancient Galaxy with a Halo of Dark Matter [gizmodo.com]:

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 galaxy’s gravitational pull, Tucana II provides researchers with the opportunity to understand the composition of the earliest galactic structures in the universe.

Original Submission