Saturn's rings are made primarily of ice particles and rocky debris.
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The Earth's rotation causes day and night cycles.
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The Bell Labs experiment led to the discovery of the cosmic microwave background.
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The Earth completes one full rotation approximately every 24 hours.
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Neptune is the farthest known major planet from the Sun.
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Black holes have gravitational pulls so strong that not even light can escape.
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The Earth's magnetic field shields the planet from solar wind.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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