• Question: How fair can light travel

    Asked by XO54 to Dervil, Moises, Pramod, Saoirse, Stephen on 17 Nov 2016. This question was also asked by Darth.
    • Photo: Dervil Cody

      Dervil Cody answered on 17 Nov 2016:

      Light will keep travelling until it hits into something, at which point it will either be reflected or absorbed by whatever it hits into. Astronomers have even detected some light that has been traveling for more that 12 billion years, close to the age of the universe!

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