Milky Way Galaxy Could Be 50% Bigger Than Formerly Suspected

March 12, 2015 2:53 AM

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A ring-like filament of stars wrapping around the Milky Way may actually belong to the galaxy itself, rippling above and below the relatively flat galactic plane.

If so, that would increase the size of the known galaxy by 50% and raise exciting questions about what caused the waves of stars.

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