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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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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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