NASA's Hubble and Chandra Discover Dark Matter Is Not as Sticky as Once Thought

Astronomers using observations from NASA's Hubble Space Telescope and Chandra X-ray Observatory have found that dark matter interacts with itself even less than previously thought. This finding narrows down the options for what this mysterious substance might be. The finding will appear in the journal Science on March 27. Join Hubble astronomers during the live Hubble Hangout at 3pm on Thurs., March 26, to learn even more about this study. Visit http://hbbl.us/98X .

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