The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The light hitting the earth right now is 30 thousand years old.
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Some asteroids have other asteroids orbiting them.
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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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