Rogue planets drift through space without orbiting a star.
Fact #1609
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The observable universe is about 93 billion light‑years wide.
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The Earth's rotation causes day and night cycles.
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A day on Venus is longer than its year.
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The Moon is slowly moving away from Earth.
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Some stars collapse into black holes at the end of their life cycle.
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Neutron stars can collide and produce heavy elements.
Fact #1627 · Space
The observable universe is about 93 billion light‑years wide.
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The Milky Way and Andromeda galaxies are on a slow collision course.
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