Astrophysics: Binary Star System (23 of 40) Kepler's 1st Law: Elliptical Orbits - Part 1 of 3

Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 We will learn about Kepler’s 1st Law of planetary motion: Elliptical Orbits. Kepler realized and proved that planets orbit around the Sun in elliptical orbits and the sun is located at one of its foci of the ellipse. (Part 1 of 3) Previous video in this series can be seen at:    • Astrophysics: Binary Star System  (22 of 4...   Next video in this series can be seen at:    • Astrophysics: Binary Star System  (24 of 4...