Astrophysicist Carl Sagan poses before a Florida State Universty Distinguished Lecture Series speech at the Turnbull Conference Center in circa 1984 in Tallahassee, Florida.
January 01, 1984 License
This NASA handout image shows the gold-anodized aluminum plaque that was attached to the Pioneer 10 spacecraft before it was launched into space on March 2, 1972. NASA Scientists say that on January 22, 2003 they received the final...More
November 09, 2014 License
Astronomer Dr. Carl Sagan speaking before House Science and Technology Subcommittee on Natural Resources re Nuclear Winter.
Astronomer Dr. Carl Sagan testifying at Nuclear Winter hearing re the climatic, biological, and strategic affects of nuclear war.
Cosmologist and author Carl Sagan and his wife author Ann Druyan pose in the Turnbull Conference Center on the campus of Florida State University in Tallahassee, Florida in 1984.
January 01, 2010 License
Astronomer Carl Sagan posing for a photo on March 20, 1974 in New York, New York.
American astronomer and author Carl Sagan (1934 - 1996) sitting at a desk in front of bookcases at Cornell University, Ithaca, New York. He is wearing a turtleneck sweater and pinstriped pants.
Portrait of American astronomer and author Carl Sagan (1934 - 1996) leaning his elbows on his knees and smiling in a laboratory at Cornell University, Ithaca, New York. He is wearing a turtleneck sweater.
July 02, 2013 License
Political activist, Carl Sagan, speaking at rally, Washington DC