Provides a brief explanation of the Big Bang Theory and the two theories on which it is based - the theory of general relativity and the cosmological principle. Links to a related page with more detailed information about the Big Bang...

This multimedia tour is extremely dense with information about the origin of the universe. There are videos and simulations to assist with understanding, but it is definitely for advanced students.

Understand how our view of cosmology has evolved by looking through different views of the Universe and zoom in on the light from distant stars on this site.