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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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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.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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