The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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Summer on Uranus lasts for 21 years.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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