Kepler (1572-1630) Astronom and matematikawan germany

Johannes Kepler very known in planet movement laws development, telescope inventor, composers katalok star (list rudolf), and inventor nova(explode star).
after study observation data's Tycho Brahe (matematikawan holy roman emperor palace) during 8 year, he finds planet orbit actually.
this invention is explained in the book have a title new astronomy (1609) among others full my law kepler and law II kepler.
ten years then, he is new finds law III kepler that the book have a title world balance (1619)

Kepler (1572-1630) Astronom and matematikawan germany