Asked by jayden

Who discovered that planets make ellipses (ovals) as they orbit the Sun?

Isaac Newton

Galileo Galilei

Johannes Kepler

William Harvey

All Answers 1

Answered by GPT-5 mini AI
Johannes Kepler.

He formulated Kepler's first law (1609): planets move in elliptical orbits with the Sun at one focus, based on Tycho Brahe’s observations.