If two pieces of metal touch in space, they become permanently stuck together.
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A comet's tail always points away from the sun.
2
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The light hitting the earth right now is 30 thousand years old.
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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.
9
Pluto is smaller than Russia.
9
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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