Astrophysics: Binary Star System (24 of 40) Kepler's 1st Law: Elliptical Orbits - Part 2 of 3

From a channel Lumen includes in full: Michel van Biezen (a physics instructor) has thousands of short worked lessons in physics, maths, chemistry and astronomy, organised by topic and course.

A 5-minute video from Michel van Biezen's catalogue; the title names its topic.

Video by Michel van Biezen, played through YouTube's embedded player.