• Question: What is the sun made of

    Asked by alan14211421 to Alessandro, Angela, Claudia, Marina, Phil on 13 Mar 2013.
    • Photo: Alessandro Guazzi

      Alessandro Guazzi answered on 13 Mar 2013:

      From what we can see, the sun is mostly made up of the two lightest elements: hydrogen and helium. The sun uses the hydrogen to produce helium in a process called nuclear fusion, so the levels are changing all the time.

Comments