Black holes have gravitational pulls so strong that not even light can escape.
Fact #66
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The Mars Pathfinder mission tested new landing techniques.
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Comets orbit the Sun in elongated paths.
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Neptune has some of the fastest winds in the solar system.
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Space smells like burned metal.
Fact #1718 · Space
The Moon has no liquid water on its surface today.
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The Voyager probes have traveled beyond the heliosphere.
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The International Space Station orbits Earth every 90 minutes.
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Mercury has no substantial atmosphere to trap heat.
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