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And it is turning so slowly that it has made only a dozen revolutions since life began on Earth. "Call this the Home Galaxy, if you wish. The stars you see in the night sky are merely the local residents-most of them very close at hand. The more distant ones form the glowing background we call the Milky Way. "And how many stars, how many suns, would you guess that the whole Galaxy contains? If you said a few million, you would be hopelessly in error. A few billion would be better; there are, in fact, about a hundred billion stars in the Galaxy.
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