Are we in Danger? Black Holes and Killer Stars | How the Universe Works | Science Channel

Our Universe is ever expansive and dangerous. Learn all about Black Holes, Supernovas, Ultra Massive Black Holes and their incredible impact on the cosmos.

Are Black Holes Real? – 00:00 – 08:40
Secret Origin of Black Holes – 08:40 – 16:58
How Black Holes Made Us – 16:58 – 24:33
Monster Black Holes – 24:33 – 32:39
Journey to a Black Hole – 32:39 – 40:49
Supernova Black Holes – 40:49 – 46:57
The Unstable Star – 46:57 – 55:47