EPISODE · Jul 21, 2014 · 3 MIN
ScienceCast 155: Big Mystery in the Perseus Cluster
from NASA ScienceCasts · host NASA Science
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.
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ScienceCast 155: Big Mystery in the Perseus Cluster
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