What did Kelper accomplish

This is what Kelper accomplished

Explanation:

Johannes Kepler, (born December 27, 1571, Weil der Stadt, Württemberg [Germany]-died November 15, 1630, Regensburg), German astronomer who discovered three major laws of planetary motion, conventionally designated as follows: (1) the planets move in elliptical orbits with the Sun at one focus

Johannes Kepler's most influential accomplishment in astronomy were his three Laws of Planetary motion, which were used by Isaac Newton to develop his theory of universal gravitation: - Kelper's First Law: The planets move in elliptical orbits with the sun at a focus