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Between 13 and 14 billion years ago, the universe began.
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During the first billion years, the expanding universe clumped together to form enormous clouds.
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The sun began forming nearly 5 billion years ago
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After a few billion years, the material cooled and condensed into the first stars and galaxies.
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About 5 billion years ago, our solar system began forming in a galaxy that is now called the Milky Way glaxay.
