Newly discovered 'ghost galaxy' full of dark matter is as big as the Milky Way
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Astronomers have discovered, with the aid of some powerful telescopes, a galaxy made up mostly of dark matter. Dragonfly 44, as it has been named, is roughly the same size as our Milky Way but with far fewer stars. Rather, the galaxy appears to be composed largely of dark matter, which does not emit light or interact with electromagnetic radiation. Although there is much more to learn about the mysterious dark galaxy, scientists’ initial findings have surprised astronomy experts more than once. Studies...