Scientific American Frontiers

The Dark Side of the Universe

  • Season 14
  • , Episode 5  | 
  • Aired: 6/22/2004
    • Length: 17:46:40
    • Plays: ???
Synopsis >

Alan Alda joins some of the world's leading astronomers as they wrestle with the startling implications of their latest discoveries: that everything we can see, from the world around us to the most distant galaxies, is only a tiny fraction of the entire cosmos. Most of what's out there is dark -- either dark matter or dark energy. And our universe is perhaps only one in an infinity of universes.

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