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Questions and Answers
Which type of matter consists of protons, electrons, and neutrons and makes up atoms, planets, stars, galaxies, and other bodies?
Which type of matter consists of protons, electrons, and neutrons and makes up atoms, planets, stars, galaxies, and other bodies?
Which type of matter has gravity but does not emit light?
Which type of matter has gravity but does not emit light?
What is the source of anti-gravity that counteracts gravity and causes the universe to expand?
What is the source of anti-gravity that counteracts gravity and causes the universe to expand?
What is the early stage in the formation of a star resulting from the gravitational collapse of gases called?
What is the early stage in the formation of a star resulting from the gravitational collapse of gases called?
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What type of nuclear fusion reaction is responsible for the energy produced by stars?
What type of nuclear fusion reaction is responsible for the energy produced by stars?
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