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Venus takes 243 Earth days to rotate once on its axis but only 225 Earth days to complete one orbit around the Sun.
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These collapsed stars are incredibly compact, and a small piece could outweigh mountains on Earth!
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Astronomers discovered a cloud of water vapor 12 billion light-years away, holding 140 trillion times more water than Earth’s oceans.
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The fabric of space itself is stretching, meaning galaxies are moving apart faster than light can travel!
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Due to their extreme gravity, neutron stars compress matter to an unbelievable density.
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Titan is the only moon with surface lakes, but they are made of liquid methane and ethane, not water.
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Olympus Mons is about three times taller than Mount Everest and wider than the entire state of Arizona!
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Astronauts describe the smell of space as burnt metal, welding fumes, or seared steak, possibly due to dying stars emitting polycyclic aromatic hydrocarbons.
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Even though planets seem massive to us, almost all the mass in our solar system belongs to the Sun!
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Scientists estimate that each star has at least one exoplanet, meaning there could be trillions of planets out there!
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