• Question: How old is the Sun?

    Asked by morganlouise to Katie on 21 Nov 2012.
    • Photo: Katie Howe

      Katie Howe answered on 21 Nov 2012:

      The sun is about 4 and a half billion years old! Scientists think that it will continue to burn for another 3 billion years or so and then it will start to expand into another type of star called a red giant. We dont need to worry about it running out of fuel any time soon!
      Thanks for your question 😀

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