Kepler's Laws In The 1600s

268 Words2 Pages
In the 1600s, people knew that the planets orbit the sun, but they did not know how exactly until Johannes Kepler came along with new theories he was able to make these theories with help from his mentor Tycho Brahe. Johannes Kepler used his mentors studies to form these ideas. These ideas became known as Kepler's laws. There are 3 laws Kepler made to describe how the planets orbit.The 1st law being the law of ellipses , the 2nd law which is the law of equal -areas.And finally the 3rd law being the law of harmonies.

The 1st of three laws Kepler came up with is the law of Ellipses. This law states that the orbits of planets are ellipses with the sun at one of the foci. An ellipse is a curved shape that is defined through two foci or focus