The Discovery of 'Planet' Ceres

For a long time, astronomers believed that there must have been a planet lurking in the gap between Mars and Jupiter. What they found was Ceres, and this object's story is one of scientific cattiness and our ever-evolving understanding of space.

The study of the heavens is one of humanity's oldest pursuits, and it's still a work in progress. In this episode, Deblina and Sarah explore the details of five amazing astronomical discoveries, beginning with the work of Copernicus.