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Pretend that our galaxy is a heap of sand, where each grain of sand is a...

Pretend that our galaxy is a heap of sand, where each grain of sand is a star, that is about 10 inches across. Since the actual Milky Way is 100,000 light years across, you can act like each inch of your pile represents 10,000 light years. Describe your heap of sand. Be specific, in terms of how thick it is, how many grains of sand there are, what it looks like, what properties it has, etc.

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