• Question: What is the oldest planet ?

    Asked by charlotte1234 to Emma, Jimmy, Janet, Niall, Simon on 18 Mar 2013.
    • Photo: Niall Crawford

      Niall Crawford answered on 18 Mar 2013:

      All the planets in our solar system are a similar age (4.5 billion years old).The oldest known planet is PSR B1620-26 b, a planet that’s thought to be 12.7 billion years old.

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