Jupiter's moon Ganymede, is larger than the planet Mercury!
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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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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If two pieces of metal touch in space, they become permanently stuck together.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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Astronauts get taller when they are in space.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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