• Question: Does dark matter exist fully in this dimension?

    Asked by jacobs to Sam on 17 Jun 2013.
    • Photo: Sam Geen

      Sam Geen answered on 17 Jun 2013:

      Wow, this is a good question. The answer is probably, but we don’t know. We know dark matter exists because there’s more matter in the universe than we can see (and hence most of it is “dark”) but we don’t know what it is or why it’s there. Hopefully we’ll find this out soon with big particle detectors, but I guess we’ll see!

      EDIT: Claire’s answered a similar question a bit more fully here, if you’re interested: /speedj13-zone/2013/06/14/what-is-dark-matter-and-how-does-it-occur/

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