Cosmologist Alex Vilenkin draws on emerging scientific research to offer a new theory about the creation, expansion, and eventual demise of the universe.
Examines the history of scientists' attempts to determine the age of the universe, and discusses how they arrived at the consensus that the universe if between thirteen and sixteen billion years old.
Explores the universe, planets, stars and galaxies. Video adventures include scale of the universe, life cycle of a star, celestial bodies and looking for life.
