Neutron stars are among the densest objects in the universe.
Fact #47
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Cosmic microwave background radiation is evidence of the early universe.
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The Earth's rotation slightly bulges at the equator.
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There are rogue planets drifting through space with no star at all.
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Venus has a thick atmosphere that traps heat.
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The observable universe is about 93 billion light‑years wide.
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The Wow! signal was a strong radio signal detected in 1977 that has never been fully explained.
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The observable universe is about 93 billion light‑years wide.
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Dark energy is thought to drive the accelerating expansion of the universe.
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