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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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If two pieces of metal touch in space, they become permanently stuck together.
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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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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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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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