What Exactly Are Black Holes?

Truly understanding black holes requires the curved space-time of general relativity. Signup for your FREE trial to The Great Courses Plus here: The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US, UK, and Australian markets. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally. ________________________________ VIDEO ANNOTATIONS/CARDS