Carl Sagan's (Tribute) Videos by Martyn Overy - Saturday, 27 August 2011, 8:53 PM Number of replies: 0 Absolutely wonderful insights.....presented by Carl Sagan A Universe not made for us Life looks for Life A Reassuring Fable SETI decide to listen End of an Era: Final Shuttle Launch NASA Per Aspera Ad Astra The Unbroken Thread Permalink