There are stars that died before Earth existed.
Fact #2290
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In 1859, the Carrington Event caused powerful solar storms that disrupted telegraph systems.
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A sea star can regrow lost arms.
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Rogue planets drift through space without orbiting a star.
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Dark matter is believed to make up most of the universe’s mass but has not been directly observed.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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Black holes have gravitational pulls so strong that not even light can escape.
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The International Space Station orbits Earth roughly every 90 minutes.
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Time moves slower in gravity.
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