Even though it's suspected of making up about 85 percent of the matter in the observable universe, dark matter is a mysterious beast. It's effectively invisible and can only be detected through its interactions with ordinary matter, but that hasn't stopped scientists from trying to understand just what it is and how it behaves. Now, using data gathered from NASA's Chandra X-ray Observatory, astronomers have found that the best way to explain how matter clumps together in galaxies is with a model of dark matter that's both fuzzy and excited.
.. Continue Reading Galaxies appear to be full of fuzzy, excited dark matterCategory: Space
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