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Sputnik I
Sputnik I was the first artificial satellite to orbit Earth. In 1957, we on Earth recieved a beeping radio transmition from Sputnik I. -
Project Mercury
This project's plan was to get an astronaut into space and to orbit the Earth for scientific research. Alan B. Shepard was the first U.S. citizen in space. -
Yuri A. Gagarin
This Soviet Union cosmonaut was the first human in space. He then orbited Earth and came home. -
Project Mercury (cont.)
John Glenn, as a part of Project Mercury, became the first U.S. citizen to orbit Earth. -
Project Gemini
The goal of this project was for one spacecraft to meet with another in space. Another goal was to examine the effects of space travel on the human body. -
Project Apollo
The goal of this project was to set an astronaut on the moon'ssurface. Neil Armstrong was the first man on the moon. The second was Edwin Aldrin.