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.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
