the-actual-universe:My collection of Sagan reaction images, for all your Sagan reaction image needs.
the-actual-universe:My collection of Sagan reaction images, for all your Sagan reaction image needs.More:For when you need to get a little weird with it:Bonus Phil Plait: -- source link
Tumblr Blog : therealuniverse.tumblr.com
#science#carl sagan