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What is the sun made out of?

What is the sun made out of?
Hayley Syson from Stockton on Tees (Aged 5-14)

How is the sun made in space?
Abid Hossain + Jack Huang + Eddy Liou from Swansea (age 5-14)

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One Response

  1. The Sun is made mostly of hydrogen and helium (about 74% hydrogen and 24% helium). The other 2% are all the other atoms combined – oxygen, carbon, nitrogen and iron make a lot of it, with small amounts of other atoms.

    Hydrogen and helium are the most common atoms in the Universe. The Big Bang created almost all hydrogen and helium (with tiny amounts of some other very light atoms). All of the other atoms – including most of the atoms people are made of such as carbon and oxygen – are made in stars which create energy by turning hydrogen into helium in nuclear fusion reactions, and then make heavier and heavier atoms by fusion. These atoms are thrown out into space when the star dies, allowing them to be included in the next generation of stars. But most of the Universe is still made up of hydrogen and helium which are the main atoms in all stars.

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