Betelgeuse, the red supergiant in Orion, is expected to go supernova sometime in the next 100,000 years.
Fact #4581
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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The Apollo 11 mission successfully landed humans on the Moon.
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Some birds can navigate using the position of the stars.
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The Earth's gravity keeps the atmosphere in place.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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There are rogue planets drifting through space with no star at all.
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The Kepler mission searched for Earth-like exoplanets.
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The Moon completes an orbit around Earth in about 27 days.
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