Origin of the Universe - Stephen Hawking (2 of 5)
Stephen Hawking gives a lecture on the Hawking-Hartle no boundary universe.
Lecture given to a sold out crowd at the Berkeley on March 13 2007.
http://www.pbs.org/wnet/hawking/unive...
0:00 Introduction
0:06 Karl Popper
3:07 Graph of galaxies' velocities away from us against their distances from us.
4:11 Steady State Universe
5:46 Graph of number of sources against source strength
7:13 Lifshitz and Khalatnikov claimed that a collapse without exact symmetry would lead to a bounce.
#gravitationalist