He showed that the planets traveled in elliptical orbits
Johannes Kepler discovered that the orbits of planets are elliptical.Johannes Kepler
Kepler discovered the orbits of the solar system are elliptical.
It was Kepler who discovered that the planets orbits are elliptical.
Johannes Kepler, using measured planetary positional data provided by Tycho Brahe, showed that the orbits of the planets were ellipses ("flattened circles"), with the Sun at one focus of the eliipse.
What did Kepler discover about the orbits of the planets
Johannes Kepler didn't discover anything about the rotation of the other planets. His work was focused on the orbits of the planets.
No, Johannes Kepler is best known for describing the laws that dictate how orbits work. The Kepler planets were discovered by the Kepler telescope, a spacecraft named in his honor.
The year Kepler firstpublished this ideawas 1609.
Dsicovering that planets travel in elliptical orbits
Kepler discovered that the planets move in elliptical orbits.
around the sun, not the earth.