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Johannes Kepler - PowerPoint PPT Presentation

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Johannes Kepler
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  1. 1571-1630 Born in Weil derStadt in Swabia, Germany Johannes Kepler He helps us study motions of the planets in the Solar System.

  2. http://ircamera.as.arizona.edu/NatSci102/NatSci102/text/extkepler_files/image002.jpghttp://ircamera.as.arizona.edu/NatSci102/NatSci102/text/extkepler_files/image002.jpg http://faculty.fortlewis.edu/tyler_c/classes/206/comic-kepler.jpg

  3. Laws of motion Law 1: The orbit of every planet is an ellipse sun at focus.

  4. Law 2: A line joining a planet and the sun sweeps out equal areas during equal intervals of time.

  5. Law 3: The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.

  6. How did Johanne change the world? No satellites and no Hubble Telescope.