Cold War (1953–1962) human on the moon. The first of the Lunar missions was Luna 1, which launched on January 2, 1959. Its successful mission established the first rocket engine restart within Earth orbit and the first man-made object to establish heliocentric orbit. Luna 2, which launched on September 14, 1959, established the first impact into another celestial body (the moon). Finally, Luna 3 launched on October 7, 1959 and took the first pictures of the dark side of the moon. After these three missions in 1953, the Soviets continued their exploration of the moon and its environment in 21 other Luna missions.
Object to Be Destroyed limit of endurance. With a hammer well-aimed, try to destroy the whole at a single blow. 1932 was the year Man Ray's lover, Lee Miller, left him to return to New York. To make the connection to Miller more explicit, the object's original eye was replaced with a photo of hers. This metronome was exhibited for the first time at Galerie Pierre Colle, Paris, as "Eye-Metronome" in 1933. Subsequent exhibitions called the piece "Lost Object", 1945, "Last Object", 1966 and "Perpetual Motif", 1972. Man Ray stated that he had always intended to destroy it one day, but as a public