Johannes Kepler Zhuoqi Gao 1600941325.

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Presentation transcript:

Johannes Kepler Zhuoqi Gao 1600941325

1. 2. 3. life experiences scientific achievements CONTENTS influences on the research field

Life experiences Johannes Kepler (1571-1630) German mathematician astronomer astrologer （占星家） tough life

Scientific achievements Astronomical research Laws of planetary motion 1, The orbit of a planet is an ellipse with the Sun at one of the two foci. 2, A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. 3, Square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit

Scientific achievements Optical research Pinhole image 2 S∝ 1/cd Kepler telescope concave convex 凸凹

Influences Lay the foundation of astronomy Promote the discovery of the Law of gravity Founder of optics

Thx All images from www.googleimages.com Reference from: https://en.wikipedia.org/wiki/Johannes_Kepler (Accessed: 11 July)