what is universe ? how has it come into being?
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Over billions of years, gravity caused gas and dust to form galaxies, stars , planets, and more. The matter that spread out from the Big Bang developed into everything in the universe, including you. You are made of star stuff! Astronomers have figured out that the universe is about 13 billion years old.
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Answer:
Over billions of years, gravity caused gas and dust to form galaxies, stars , planets, and more. The matter that spread out from the Big Bang developed into everything in the universe, including you. You are made of star stuff! Astronomers have figured out that the universe is about 13 billion years old.
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