History of Astronomy Part 4: Kepler's Laws and Beyond

The heliocentric model of Copernicus was extremely controversial in its time, but it wasn't the end of the story. Johannes Kepler used the data of his boss, Tycho Brahe, to further corroborate it, but also show that the planets do not move on circular orbits, they move on elliptical orbits. This ended up being the first of his three laws regarding planetary motion. This set the stage for incredible work by giants like Galileo and Newton, so let's check out this chapter of the story!

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