Questions about Space Race
Short answers, pulled from the story.
When did the Space Race officially begin?
The Space Race is generally traced to the 29th of July 1955, when President Eisenhower's press secretary announced American plans to launch small Earth-circling satellites. Five days later, Soviet scientist Leonid Sedov announced his country's intention to do the same. Soviet engineer Sergei Korolev secured formal institutional backing on the 30th of August 1955, when he persuaded the Soviet Academy of Sciences to establish a commission dedicated to launching a satellite before the United States.
What was Sputnik 1 and why did it cause a crisis in the United States?
Sputnik 1 was a Soviet satellite launched on the 4th of October 1957, weighing 83.8 kg with a diameter of 58 cm, equipped with two radio transmitters. It was the first artificial satellite placed into Earth orbit. The launch demonstrated that the Soviet Union possessed an intercontinental ballistic missile capable of reaching American territory, which the CIA described in a classified report as a 'stupendous scientific achievement' and evidence that the USSR had likely perfected an accurate ICBM.
Who was the first human in space and when did that flight take place?
Yuri Gagarin of the Soviet Union was the first human in space, completing a single 108-minute orbit of the Earth on the 12th of April 1961, aboard Vostok 1. The mission was conducted largely in automatic mode because doctors were uncertain about the effects of weightlessness on the human body. April 12 was subsequently declared Cosmonautics Day in the USSR, and in 2011 the United Nations declared it the International Day of Human Space Flight.
What caused the Apollo 1 fire and how did it affect the Space Race?
On the 27th of January 1967, a fire swept through the Apollo 1 cabin during a ground test at Cape Canaveral, killing Command Pilot Gus Grissom, Senior Pilot Ed White, and Pilot Roger Chaffee. Investigators found the fire was probably caused by an electrical spark and spread rapidly through the spacecraft's pure-oxygen atmosphere held at greater than one standard atmosphere of pressure. Correcting all identified design, construction, and procedural flaws required twenty-two months before another piloted Apollo flight could be made.
Why did the Soviet Union fail to beat the United States to the Moon?
The Soviet lunar program suffered from divided authority between competing design bureaus and the loss of its chief engineer, Sergei Korolev, who died on the 14th of January 1966. The N1 rocket intended to carry a cosmonaut to the Moon exceeded the Saturn V in takeoff thrust but was never successfully tested, with its first flight ending in a catastrophic explosion 70 seconds in due to a fire caused by a loose bolt. The Soviet program was eventually cancelled, and resources were redirected to the Salyut space station program.
How did the Space Race end and what replaced it?
The Space Race wound down following the April 1972 agreement on the Apollo-Soyuz Test Project, which led to a July 1975 rendezvous in Earth orbit between American and Soviet crews and produced a shared international docking standard, APAS-75. Many observers regard this mission as the final act of the competition. In 1993, the United States and the Russian Federation agreed on the Shuttle-Mir and International Space Station programs, replacing Cold War rivalry with cooperative space exploration.