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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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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Jupiter is bigger than all the other planets combined.
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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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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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