What Happens at the Event Horizon? | Space Time | PBS Digital Studios

What really happens when you approach the event horizon of a black hole? What do you see when you actually cross it? Matt shows you an elegant tool for understanding this mysterious region of spacetime. This episode is supported by The Great Courses Plus. Go to for your one month free trial! Get your own Space Time t­shirt at Tweet at us! @pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: CUNY Physics (stay tuned for event April 7 event details): Help tranlate our videos! Written and hosted by Matt O’Dowd Produced by Rusty Ward Graphics by Grayson Blackmon Made by Kornhaber Brown (www.kornhaberbrown.com) Comments Answered by Matt: dinosaurfromfuture vacuum diagram Antonio Park Joel Brinton Luna IT Solutions Clock Watcher Joe Ratfeast Vitaly Kovalenko John Hofmann Jade Bilkey Kevin Warne JJ Bagnell J Rejc Bernardo Higuera Michael Fischer Dylan Merida Colette Weeks Amy Jie Anthony Caridi Avi Goldfinger Corey Smeaton John Pettit Shannan Catalano Florian Stinglmayr Yubo Du Benoit Pagé-Guitard Ronny Polonia Nathan Leniz Jessica Fraley Kirk Mathews Loro Lukic Carl P. Corliss Brandon labonte David Crane Greg Weiss David Matteson Marc Lagarde Eric Jackson Will and Sonja Marple