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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Earth is the only planet in our solar system that's not named after a god or goddess.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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