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Home › A dark-matter galaxy just buzzed the Milky Ways edge

 

A dark-matter galaxy just buzzed the Milky Ways edge

2016-01-13 18:30:16| Extremetech

For the past ten years, astronomers have puzzled over cosmic ripples in the structure of the Milky Way that didn't have a known cause. Thanks to a trio of pulsing stars, we now suspect a dwarf galaxy made of dark matter swung through our galactic neighborhood 500 million years ago -- with results we can still see today.

Tags: ways edge galaxy milky

Category:Information Technology

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