• Question: Do you think there is such things as white holes?

    Asked by kd07 to Colm, Eoin, Joseph, Lauren, Stephen on 14 Nov 2013.
    • Photo: Eoin O Colgain

      Eoin O Colgain answered on 14 Nov 2013:

      Certainly, provided one confines attention to Einstein’s equations of general relativity. So there are mathematical solutions corresponding to white holes.

      It is simply the reverse of a black hole and it is possible that the Big Bang could be a white hole.

    • Photo: Lauren Mc Keown

      Lauren Mc Keown answered on 14 Nov 2013:

      Yes, in accordance with general rel. white holes are thought of as the opposite to black holes. Instead of sucking everything into them like a black hole does, they are theorised to be impossible to enter from the outside, but matter and light can escape from them.

    • Photo: Stephen Scully

      Stephen Scully answered on 14 Nov 2013:

      I don’t know.

    • Photo: Joseph Roche

      Joseph Roche answered on 15 Nov 2013:

    • Photo: colm bracken

      colm bracken answered on 19 Nov 2013:

      The Big Bang can be thought of as a white hole. It is also possibly that for every black hole there is a corresponding white hole in a parallel universe. So our Big Bang may have been the result of a black hole in another universe, or another part of our Universe.

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