Some space probes will outlive Earth itself.
Fact #2467
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The Oort Cloud is a theoretical shell of icy objects surrounding the solar system.
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Solar eclipses occur when the Moon blocks the Sun from Earth's view.
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The observable universe is about 93 billion light‑years wide.
Fact #1819 · Space
Some stars collapse into black holes at the end of their life cycle.
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The Voyager 1 spacecraft is the farthest human-made object from Earth and still communicates with us.
Fact #1673 · Space
Space is completely silent.
Fact #1689 · Space
The Earth's atmosphere gradually thins into outer space.
Fact #163 · Space
Mercury has extreme temperature differences.
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