The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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Pluto is smaller than Russia.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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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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