Why do we never see the moon's backside? What would the Earth be like if one side always faced the sun? In this episode, Robert and Julie contemplate tidally locked planets and moons, where one side of the globe burns while the other freezes in darkness.
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
