There are planets where it rains molten glass sideways.
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Neptune is known for its deep blue color.
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Black holes can bend time.
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The light you see from some stars today began traveling before humans existed.
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The Sun will eventually expand into a red giant.
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The observable universe is about 93 billion light‑years wide.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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The Earth spins at 1000 mph.
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The light you see from some stars today began traveling before humans existed.
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