Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: Thanks to CuriosityStream for supporting PBS Digital Studios. You can learn more at and use the code “spacetime“ during the sign-up process. You can further support us on Patreon at Get your own Space Time t-shirt at Tweet at us! @pbsspacetime Facebook: Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: Help translate our videos! Previous Episode: Is There Life on Mars? Hosted by Matt O'Dowd Written by Matt O'Dowd Graphics by Luke Maroldi Assistant Editing and Sound Design by Mike Petrow Made by Kornhaber Brown
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