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Imagine that you’re part of a community living 10,000 years ago. It is evening, your group is sitting around a fire, and the sky is full of bright points of light. What are these points of light? How did they get there?
You try to make sense of what you see. You imagine that you see pictures in the points of light, which we call stars today. You make up stories about the star pictures, which we now call constellations. While we still tell the ancient stories about the stars, scientists these days try to answer age-old questions about the universe.
