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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NASA invented baby food as we know it today.
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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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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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A comet's tail always points away from the sun.
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Jupiter is bigger than all the other planets combined.
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There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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