Kepler's first law of planetary motion states the following: All the planets move in elliptical orbits, with the sun at one focus. read more
Johannes Kepler's first law states that "The orbit of every planet is an ellipse with the Sun at one of the foci". An example of this is when a space satellite travels around the Earth in an elliptical orbit. read more
Kepler’s first law of planetary motion states the following: All the planets move in elliptical orbits, with the sun at one focus. Or equivalently: Each planet travels in an elliptical orbit around the sun, the sun being at one of the focal points. read more
Kepler's First Law (also see Ellipses and Other Conic Sections, Kepler's Second Law, and Kepler's Third Law: The orbits of the planets are ellipses, with the Sun at one focus of the ellipse. read more