• Question: Why is the universe expanding at an accelerated rate?

    Asked by Atika to Rochelle, Michaela, Camilla, Beth, Adrian on 26 Jan 2016.
    • Photo: Adrianos Golemis

      Adrianos Golemis answered on 26 Jan 2016:

      I don’t think we know – and that is why the idea of “dark energy” has emerged. Dark energy is some sort of energy (we do not know what exactly) which seems to accelerate the expansion of the universe beyond the rate that we predict. Hopefully in the near future we will have more answers!