← Known Universe

Season 1

3 episodes · 2009

  1. 1The Fastest

    15 Feb 2009 · 1 hr 0 min

    In the vast expanse of space, nothing matters more than speed. Whether we’re venturing out to the farthest reaches of our solar system or exploring the mysteries of time travel and wormholes, speed is the key.

  2. 2The Biggest and Smallest

    15 Feb 2009 · 1 hr 0 min

    From the enormous universe in which we exist to tiny atoms that make up the building blocks of everything around us, size matters when it comes to understanding the cosmos.

  3. 3The Most Explosivefinale

    15 Feb 2009 · 1 hr 0 min

    Scientists believe that our universe started with a colossal explosion called the Big Bang. That powerful blast created all the matter and energy in the universe and laid the groundwork for every explosion since.