Don Mills Library: Misconceptions About the Big Bang

The Big Bang Theory-a crowning achievement of modern science-holds that the universe began expanding about 14 billion years ago from a very hot, dense state. The theory has been verified many times over, but there is still great uncertainty and confusion about what it says and doesn't say. Astronomer Michael Reid provides some answers.

Presented in collaboration with the Dunlap Institute for Astronomy & Astrophysics.