Sputnik 1 starts space race 50 years ago

Sputnik 1: Oct. 4, 1957The "Sputnik crisis" was a turning point of the Cold War that began on October 4, 1957 when the Soviet Union launched the Sputnik 1 satellite. With its intercontinental ballistic missile, the R-7 Semyorka, Russia was first out of the starting blocks in the space race.

The "simplest satellite"

Called PS-1, for "Prosteishiy Sputnik" — the Simplest Satellite, Sputnik 1 weighing just 184 pounds, was built in less than three months. Soviet designers built a pressurized sphere of polished aluminum alloy with two radio transmitters and four antennas.

Sergey Korolyov

Sergey Korolyov, both visionary scientist and iron-willed manager, pressed the Kremlin to let him launch a satellite. The reaction of the world so impressed Khrushchev that he pressed Korolyov to do it again. Working round-the-clock, Korolyov and his team built another spacecraft in less than a month. On Nov. 3, they launched Sputnik 2, which weighed 1,118 pounds. It carried the world's first living payload, a mongrel dog named Laika, in its tiny pressurized cabin.

Sputnik creates initiatives in science and math

The Sputnik crisis spurred a whole chain of U.S. initiatives, including NASA, NSF, DARPA, and even the "New Math".

The finish line - stepping on the Moon

Russia continued its lead in the space race with a moon probe, a photo of the far side of the Moon, a human in orbit, a woman in orbit, extra-vehicular activity, landing a probe on another planet (Venus), and the first space station. The United States captured the biggest prize, though, putting a human on the Moon (July 20, 1969).

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