GbEng
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 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.