THE KNOWN UNIVERSE

From the Big Bang to the possibility of alien life and deep space travel, scientists expand our understanding of the universe.

Ever wondered what would happen if you were sucked into a black hole? Or, if wormholes could make time travel a reality? And could life on Earth survive a huge meteor strike like the one that took out the dinosaurs?

This series combines the most current scientific information, cutting-edge computer graphics, dramatic time-lapse sequences and everyday examples to shed light on some of the most mind-boggling aspects of our universe.

Sizing Up The Universe
In the known universe, size matters. From the enormity of the galaxy, to the tiny atoms that are the building blocks of everything, the universe is a place of extreme sizes. From the unimaginably big to the incomprehensibly small, explore size in the universe and exactly what it means to us and our understanding...