1. Nov 9, 2011 #1

   Doc Al

   

   Staff: Mentor

   Happy Birthday, Carl!
   
   http://www.centerforinquiry.net/carlsaganday
   
   http://carlsagan.com/

    

   Doc Al, Nov 9, 2011
2. 
   Phys.org - latest science and technology news stories on Phys.org

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3. Nov 9, 2011 #2

   Evo

   

   Staff: Mentor

   Happy Birthday Carl!

    

   Evo, Nov 9, 2011
4. Nov 9, 2011 #3

   FlexGunship

   

   Gold Member

   I had no idea! This should certainly replace... uh... Christmas, or something.
   

   One of the single greatest thoughts formulated by a human. Carl's love of knowledge and genuine understanding should be celebrated. Happy Carl Sagan day... to everyone!!

    

   FlexGunship, Nov 9, 2011
5. Nov 9, 2011 #4

   Jack21222

   

   https://www.youtube.com/watch?v=WmMUuR--Qvo

    

   Jack21222, Nov 9, 2011

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