| Back | 开普勒，约翰尼斯1571－1630德国天文学家和数学家，被认为是现代天文学的奠基人，他创立了三大定律，说明行星围绕太阳转的理论 |
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| Front | Kāipǔlè Yuēhàn Nísī Déguó tiānwénxuéjiā hé shùxuéjiā bèi rènwéi shì xiàndài tiānwénxué de diànjīrén tā chuànglì le sān dà dìnglǜ shuōmíng xíngxīng wéirào tàiyang zhuàn de lǐlùn German astronomer and mathematician. Considered the founder of modern astronomy, he formulated three laws to clarify the theory that the planets revolve around the sun. |
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