http://bcove.me/vkfd6h1r (Video if needed)
http://kepler.nasa.gov/Mission/JohannesKepler/ http://galileo.rice.edu/sci/kepler.html http://www.space.com/15787-johannes-kepler.html http://plato.stanford.edu/entries/kepler/ http://observationdeck.io9.com/happy-geek-star-birthdays-1489995476 http://2.bp.blogspot.com/-zDpwVQM2bZ4/T97qS1g1S3I/AAAAAAAABdM/d5Tv6wna5fA/s1600/Johannes-Kepler.jpg http://chandra.harvard.edu/photo/2004/kepler/kepler_book.jpg
