And the discovery of the ellipse
Impact on Daily Life
1. The planet must orbit the sun in an elliptical shape.
2. An imaginary line drawn from the center of the sun to the center of the planet will sweep out equal areas in equal intervals of time.
3. The ratio of the squares of the periods of any two planets is equal to the ratio of the cubes of their average distances from the sun.
He worked with Tycho Brahe, who invited Johannes Kepler to work with him in Prague in December of 1599.
He married Barbara Muller, then after she died, married Susanna Reuttinger just to take care of their children!
As a child Johannes Kepler suffered from smallpox. The disease left with crippled hands and weak vision.
My Citations (noodletools.com)
Helmholtz, McCormick. "Johannes Kepler." Biographical Encyclopedia of Scientists. Ed. Richard Olson. Vol. 3. New York: Marshall Cavendish Corp., 1998. 738-41. Print.
Johannes Kepler Quotes. Brainy Quotes, n.d. Web. 10 Mar. 2014. <http://www.brainyquote.com/quotes/authors/j/johannes_kepler.html>.
Johannes Kepler: The Laws of Planetary Motion. University of Tennissee, n.d. Web. 4 Mar. 2014. <http://csep10.phys.utk.edu/astr161/lect/history/kepler.html>.
Kepler's Three laws of orbital motion - Fascinating! Youtube.com. N.p., n.d. Web. 10 Mar. 2014. <https://www.youtube.com/watch?v=5a2mcE-tzKE>.
Rollor, Duane H.D. "Kelper, Johannes." Grolier Online. N.p., n.d. Web. 4 Mar. 2014. <http://go.grolier.com/>.