NASA’s Hubble, Chandra Find Clues that May Help Identify Dark Matter

Using observations from NASA’s Hubble Space Telescope and Chandra X-ray Observatory, astronomers have found that dark matter does not slow down when colliding with itself, meaning it interacts with itself less than previously thought. Researchers say this finding narrows down the options for what this mysterious substance might be.



from NASA Breaking News http://ift.tt/1ydWrFj

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