What is the Sun?, a Star, a Planet, What is the Sun mostly made of?, Hydrogen and feier, Hydrogen and helium, Where is the Sun located?, At the center of our Solar System, At the center of our Galaxy, How old is the Sun?, 4,500,000,000, 4,500,000,000,000, What keeps the Solar System together?, The sun's gravity, The sun's system, Where produce the sun energy?, Through corona fusion, Through nuclear fusion, What will the Sun become in the future?, A white dwarf, then a red gigant, A red giant, then a white dwarf

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