Dark Matter Just Got Darker (and Weirder)

March 26, 2015 8:09 PM

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Observations by two powerful space telescopes have revealed that the mysterious stuff that makes up nearly 85 percent of the universe’s total matter is weirder than we ever thought.

By observing massive colliding galaxy clusters, astronomers have been able to deduce how dark matter behaves during these vast encounters. Until now, we’ve studied a handful of cluster smashups, only allowing us a snapshot of dark matter interactions.

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