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This image from the Hubble Space Telescope indicates that a huge ring of dark matter likely exists surrounding the center of CL0024+17 that has no normal matter counterpart.
This image from the Hubble Space Telescope indicates that a huge ring of dark matter likely exists surrounding the center of CL0024+17 that has no normal matter counterpart.

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    Dark matter discovery?

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Dark matter discovery?

Scientists close in on the glue that holds the universe together. CNN's Nick Paton Walsh reports.

Dark matter discovery?

Scientists close in on the glue that holds the universe together. CNN's Nick Paton Walsh reports.