What were Kepler's contributions to astronomy?

And it was Kepler's notion of a physical astronomy that fixed a new problematic for other important 17th-century world-system builders, the most famous of whom ... of natural philosophy, but he did so in an unprecedented way—in the process, making unique contributions to astronomy as well as to all its auxiliary disciplines. read more

Instead, he gave Kepler the job of solving the mystery of Mars, which was among the most perplexing issues in the field of astronomy at the time. As luck would have it, the in depth records of the planet were the things Kepler needed to know how the solar system worked. read more

[See also our overview of Famous Astronomers and other scientists who have contributed to the rich history of discoveries in astronomy.] Coded correspondence. Born in December 1571, in Weil der Stadt in Swabia, in southwest Germany, young Johannes Kepler was a sickly child of poor parents. read more

Kepler’s laws were actually used by Newton to test his theory of gravity, and without Kepler, Newton would probably not have been able to develop his theory (at least not as quickly). Another important contribution were his observations of the supernova of 1604, known as Kepler's Supernova. read more

Establishment of the Copernican System. In 1596, Johannes Kepler wrote the first public justification of the Copernican system. read more