Video: Stephen Hawking asks big Fragen about the universe 

In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Fragen about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
Schlagwörter: video, stephen hawking, asks big Fragen about, the, universe, lecture, Weltraum