Quasars: the Brightest Black Holes - Professor Carolin Crawford
53:51
Comets: Visitors from the Frozen Edge of the Solar System - Professor Carolin Crawford
32:25
Large Quasar Groups
56:02
The history of black holes - with Marcus Chown
54:41
X-ray Astrophysics: The High Energy Cosmos - Professor Carolin Crawford
48:20
Peering Into The Abyss: The Truth About Black Holes | The New Frontier | Spark
56:14
The Early Universe - Professor Carolin Crawford
58:11
What Is The Most Powerful Thing In The Universe?
1:08:47