17th century astronomer Johannes Kepler discovered the elliptical shape of the planets' orbits around the Sun, which he described in his first law of planetary motion. Newton later explained this in his law of universal gravitation.
Kepler. That is, he discovered the paths were ellipses.
Kepler discovered that the planets move in elliptical orbits.
Johannes Kepler
elliptical
discovered follow
An elliptical orbit
coperincus
Johannes Kepler.
elliptical
Planets travel in elliptical orbits.
It was Kepler who discovered that the planets orbits are elliptical.
discovered follow
Johannes Kepler.
circular
all of the planets have the same elliptical shaped orbit.
Elliptical
An elliptical orbit
coperincus
Planets have elliptical orbits around the sun.
Elliptical