When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way's far outer reaches may harbor a shell of stars left over from a long-ago act of ...
Peering deep into the vast stellar halo that envelops our Milky Way Galaxy, astronomers using NASA’s Hubble Space Telescope have uncovered tantalizing evidence for the possible existence of a shell of ...
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Runaway stars within the Milky Way may reveal dark matter’s hidden structure
Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way cannot keep them. When a star exceeds the galaxy’s escape speed, it becomes ...
The Milky Way's far outer reaches may harbor a shell of stars left over from a long-ago act of galactic cannibalism, a new study suggests. The finding supports the idea that our Milky Way has ...
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