• Question: What is the universe made of?

    Asked by TerryT to Will, Silvia on 17 Nov 2016.
    • Photo: Silvia Pardo

      Silvia Pardo answered on 17 Nov 2016:

      We think it’s mostly made of dark matter. Dark matter does not absorb light or produce light, so it’s kind of invisible, but we know it’s there because it pulls visible objects around due to gravity.

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