On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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Pluto is smaller than Russia.
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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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