Sometimes big things come in small packages, or so the saying goes. Such is the case with Segue 2, the name of a tiny galaxy near our own that is being called the "most lightweight" ever discovered.
An ultra-faint collection of 1,000 stars orbiting the Milky Way is the most lightweight galaxy ever discovered, scientists say. The dwarf galaxy known as Segue 2 is bound together by a tiny clump of ...
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