"Which is the 17th century German mathematician and astronomer (at one time assistant to Tycho Brahe) whose works, including "" Epitome of Copernican Astronomy"", provided one of the foundations for Isaac Newton's theory of universal gravitation?"
Dioptrice Ch. Frisch Kepler, Johannes John Kepler Kanones Pueriles Johannes kepler Keplerian Johannes Kepler Kepler Kepplar Keplero Kepeller Johann Kepler Johannes Kelper Johan Kepler Kepeler Christian Frisch
keplero kepler johannes kepeler kepplar kepler keplerian johannes kelper kanones pueriles ch frisch johann kepler dioptrice johannes kepler johan kepler kepeller christian frisch john kepler
johannes kepler
WikipediaEntity
Johannes Kepler