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英文欣赏之人生感悟 （95）开普勒的世界 Kepler's World

Kepler’s World 开普勒的世界 Much has been made of the 400th anniversary this year of Galileo pointing a telescope at the moon and jotting down what he saw. 400年前伽利略用望远镜观测月球并简要记录了观测结果，400年后的今天我们很隆重地纪念了这一历史性事件。 But 2009 is also the 400th anniversary of the publication by Johannes Kepler,a German mathematician and astronomer,o...

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