ScienceCasts-Big-Mystery-in-the-Perseus-Cluster

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Visit http://science.nasa.gov/ for more. A mysterious X-ray signal from the Perseus cluster of galaxies, which researchers say cannot be explained by known physics, could be a key clue to the nature of Dark Matter. More

2014-07-21

Added Jul 21, 2014  

Channel Science & Technology

Duration 3:43   |   views 343883


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