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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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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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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Summer on Uranus lasts for 21 years.
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It 'snows' metal on Venus.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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