Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy

by TEDxTalks
Have you ever wondered whether black holes exist? And if so, how do astronomers study them? What would it be like to be close to a black hole? UCSC astrophys...

Runtime: 17:59

From: YouTube   URL: https://www.youtube.com/watch?v=Zo4gRhG90S4