Google assembled this pictures
Carl Sagan :
John Scalzi asked if we wanted to blog about Carl Sagan! I do! He was awesome!He taught so many of us , adults and kids, about the cosmos! He was the kind of speaker who inspired you so much you would feel like you would burst! He was so non asuming and humble; yet brilliant! totally cool!
It's your turn! Please leave comments and your link about Carl Sagan!TY!