Nothing. Copernicus died years before Kepler was born.
euclids elements
Kepler showed that planetary orbits were actually ellipses, not circles as proposed by Copernicus.
The Elements which are 13 volumes
The only part of Copernicus's theory that Kepler retained was the idea that the Sun is at the centre of the Solar System.
Kepler's Books was created on 1955-05-25.
Mabel Kepler has written: 'Mabel Kepler' -- subject(s): Biography
Johannes Kepler did not invent log books. Kepler was a German astronomer and mathematician who lived from 1571 to 1630. He is known for his laws of planetary motion and his work on optics. Log books were used for record-keeping on ships long before Kepler's time.
Cosmographic Mystery The Opticle Part of Astronomy concerning the new star new astronomy Conversation with the Sidereal Messenger Narration about FourSatellites of Jupiter These are just the six major books of Kepler he has written some other smaller articles that are not posted here
Harold B. Kepler has written: 'Basic graphical kinematics' -- subject(s): Graphic methods, Kinematics
A full article on the life of Johannes Kepler can be found in the related link to Wikipedia - including details of his works.
Johannes Kepler invented log books that he used as a tool for calculating planetary positions, eyeglasses for near and far sighted persons, the convex eyepiece, and the quintile and biquintile (Astronomy) aspects
Cosmographic Mystery: 1596 Astronomia Nova: 1609
Courtney Robert Kepler has written: 'Economic comparisons of selected cattle feeding regimes' -- subject(s): Cattle, Economic aspects, Economic aspects of Cattle, Feeding and feeds
Walter William Bryant has written: 'Kepler' -- subject(s): Accessible book
Rachel Danor has written: 'Structure--order--harmony; Johannes Kepler, 1571-1630'
J L E. Dreyer has written: 'A History of astronomy from Thales to Kepler'