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Sputnik I
When people turned on their radios and television sets in 1957, they heard the radio transmissions from Sputnik 1 as it orbited Earth. All it transmitted was sort of a beeping sound. -
Project Mercury
The U.S. program to reach the Moon began with Project Mercury. The goals to Project Mercury were to orbit a piloted spacecraft around Earth and to bring it back safely. The program provided data and experience in the basics of space flight. -
Yuri A. Gagarin
Yuri A. Gagarin was a Soviet Cosmonaut, he became the first human in space. He orbited space and returned safely. -
John Glenn
John Glenn -
Apollo 11
Apollo 11 landed on the Moon's surface. Neil Armstrong was the first human to set foot on the Moon.