Johannes+Kepler

media type="custom" key="5534329"media type="custom" key="5555673"media type="custom" key="5555691"media type="custom" key="5555757"media type="custom" key="5555731"media type="custom" key="5529479"media type="custom" key="5555763" General Bibliography and Additional Sites: http://en.wikipedia.org/wiki/Johannes_Kepler http://www.gap-system.org/~history/Biographies/Kepler.html http://www.johanneskepler.com/ http://galileo.rice.edu/sci/kepler.html http://csep10.phys.utk.edu/astr161/lect/history/kepler.html http://www-groups.dcs.st-and.ac.uk/~history/Quotations/Kepler.html