The universe is expanding in every direction at the same time.
Fact #2498
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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 Yellowstone supervolcano is one of the largest volcanic systems in the world.
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There are rogue planets drifting through space with no star at all.
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The observable universe is about 93 billion light‑years wide.
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The universe is estimated to be about 13.8 billion years old.
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The light you see from some stars today began traveling before humans existed.
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The Moon's gravity affects ocean tides.
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Exoplanets have been discovered in habitable zones around distant stars.
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