There are more galaxies in the observable universe than grains of sand on all of Earth's beaches.
Fact #4552
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More Space Facts
The observable universe is about 93 billion light‑years wide.
Fact #1754 · Space
There are stars older than the Milky Way.
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Venus is sometimes called Earth's sister planet.
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The International Space Station travels at about 28,000 kilometers per hour.
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Asteroids vary widely in size and composition.
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There are rogue planets drifting through space with no star at all.
Fact #1781 · Space
The Space Race led to the Apollo 11 Moon landing in 1969.
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Time moves more slowly in stronger gravitational fields.
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