description Sputnik 1 (model, Smithsonian) Overview
This Smithsonian object is a model of Sputnik 1, the Soviet satellite launched on October 4, 1957 as the first human-made object placed into Earth orbit. The original spacecraft was a polished metal sphere fitted with four external antennas and transmitted radio pulses that could be detected by observers around the world. Its launch demonstrated Soviet rocket capability, opened the era of orbital spaceflight, and intensified scientific and strategic competition during the Cold War.
help Sputnik 1 (model, Smithsonian) FAQ
What is the Smithsonian's Sputnik 1 model?
The Smithsonian object is an engineering model of Sputnik 1, the Soviet satellite launched on October 4, 1957. The original spacecraft was the first human-made object successfully placed into Earth orbit.
What did the original Sputnik 1 look like?
The original Sputnik 1 was a polished metal sphere measuring about 58 centimeters in diameter. It was fitted with four external antennas that transmitted simple radio pulses back to Earth.
Where is the Sputnik 1 model displayed?
The historic model is a prominent artifact housed at the Smithsonian's National Air and Space Museum in Washington, D.C. It is displayed alongside other major artifacts from the early Space Race between the USA and the USSR.
How long did the original Sputnik 1 stay in orbit?
The original Sputnik 1 satellite only remained in orbit for three months before atmospheric drag pulled it back down. It burned up upon re-entering the Earth's atmosphere in early January 1958.
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