"All truths are easy to understand once we discover them," Italian astronomer Galileo Galilei once said. "The point is to discover them." Galileo sought to understand the night sky and the motions of the heavens. In the process, he ushered in the modern study of astronomy and unveiled to the world the wonders that lay throughout the solar system. He learned much about the Moon and the planets of the Solar System through his observations. Through this work, he also learned much about Earth and [...]
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