Jupiter is bigger than all the other planets combined.
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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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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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