Transcription: The era of space exploration began in 1957, when the Soviet Union launched the first artificial satellite, Sputnik, into Earth orbit. The Soviets also were the first to launch a manned spacecraft when Yuri Gagarin made one orbit around the Earth in 1961. While the Russians concerned themselves with the task of orbiting the Earth, America pressed ahead with the Apollo program, focusing on President John F. Kennedy's goal of placing a man on the moon before the end of the 1960s. We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are ha ...