What does the formation of a black hole look like?

What would we see when a star collapses? How does a black hole appear? How is the event horizon formed? All these answers in 11 minutes!

0:00 - Introduction
1:45 - Lensing simulation
5:17 - Death of a star
6:50 - Light ray trajectories
8:18 - Collapse simulation
10:18 - Conclusion
#universe, #perfect universe, #galaxy #Mysteries