Carl Sagan Quotes
Scientists constantly get clobbered with the idea that we spent 27 billion dollars on the Apollo programs, and are asked "What more do you want?" We didn't spend it; it was done for political reasons. ... Apollo was a response to the Bay of Pigs fiasco and to the successful orbital flight of Yuri Gagarin. President Kennedy's objective was not to find out the origin of the moon by the end of the decade; rather it was to put a man on the moon and bring him back, and we did that.
Sagan, Carl. Mars and the Mind of Man. Harper & Row, 1973, p. 23.
This was the first vehicle to be landed on a space object. On November 10, 1970, it was landed on the moon. It navigated, controlled by a driver on earth, for 9 months, sent back 22,000 pictures and conducted over 500 scientific experiments. A second was later landed also. It would be more than 20 years later that the United States developed and landed a rover vehicle on Mars. Lunokhod in Russian means “moon walker.” After the collapse of the Soviet Union, some of the Russian engineers who developed Lunokhod helped the U. S. scientists develop the Moon Rover.
Carl Edward Sagan was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pioneer plaque and the Voyager Golden Record, universal messages intended to be understood by any extraterrestrial intelligence that might find them.