The Biggest Volcano in the Solar System

Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that’s smaller than Earth has volcanoes that are bigger than ours! Hosted by: Hank Green ---------- Dooblydoo thanks to the following Patreon supporters -- we couldn’t make SciShow without them! Shout outs go to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check o