singularity: Media
astronomy
Videos
Uncover insight into the black hole
Black holes are formed when massive stars die. The intense gravitational force that...
Video: Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.com
Learn about Georges Lemaitre's view on the origin of the universe and the big-bang theory in relation to space expansion
Georges Lemaître and the big-bang theory in relation to space expansion.
Video: © MinutePhysics (A Britannica Publishing Partner)