The 1st man to orbit the earth was soviet cosmonaut yuri, Ask an Expert

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The 1st man to orbit the Earth was Soviet cosmonaut Yuri Gagarin, on April 12, 1961. His spacecraft, Vostok I, was a sphere about 2.3 m in diameter, and it reached a maximum altitude above Earth's surface of 327 km. What was the spacecraft's speed at this point in its orbit?

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