About this episode
What is a dwarf planet? How was Pluto first discovered? How big is Pluto compared to Earth? Have you started your FREE TRIAL of Who Smarted?+ for AD FREE listening, an EXTRA episode every week & bonus content? Sign up right in the Apple app, or directly with us . Get official Who Smarted? Merch: tee-shirts, mugs, hoodies and more, at Who Smarted? For more information about our other projects, check out Atomic Entertainment . Looking for a custom podcast or video series for your company or brand? Check out our award-winning branded content studio Anion Studios .