The WISE telescope discovered thousands of previously unknown asteroids, comets, and brown dwarf stars.
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Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1735 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
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Neutron stars can spin hundreds of times per second.
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Gamma-ray bursts are among the most energetic events observed in the universe.
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The Milky Way is on a slow collision course with Andromeda.
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Neptune is known for its deep blue color.
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The event horizon marks the boundary around a black hole.
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There are rogue planets drifting through space with no star at all.
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