Earth is the only planet in our solar system that's not named after a god or goddess.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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NASA invented baby food as we know it today.
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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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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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