The coldest known place in the universe is the Boomerang Nebula at -458°F — colder than deep space.
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The Moon completes its phases in about 29.5 days.
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The Sun accounts for more than 99% of the mass of our solar system.
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The telescope expanded understanding of the universe.
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Jupiter is the largest planet in the solar system.
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Saturn's largest moon is Titan.
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The Milky Way is estimated to be over 100,000 light-years wide.
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Magnetars have extremely powerful magnetic fields.
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The Earth's rotation is gradually slowing over time.
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