What Galaxy Clusters Teach Us About Dark Matter - Ask a Spaceman!
Channel: Dr. Paul M. Sutter
Date: 2019-04-24

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What are galaxy clusters made of, besides galaxies? How can we use them to understand dark matter? And how can we make pretend ones on a computer?

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Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.