Subscribe now to ScienceNET! This video is a tribute to legendary astronomer and public science educator Carl Sagan. Subscribe now to ScienceNET! The second part in a tribute to legendary astronomer and educator Carl Sagan. Its amazing how relevant his words are still . 10 Times Carl Sagan Blew Everyones Mind ➤ #Subscribe: ➤ Facebook: ➤ Twitter: ➤ Google+ . Subscribe now to ScienceNET! More priceless thoughts from legendary astronomer and public science educator Carl Sagan in part 3 of our series. We miss you .
