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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Pluto is smaller than Russia.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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