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Space Exploration
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Sputnik I
First sattelite probe launched in space. -
Yuri A. Gagarin
Alan B. Shepard became the first U.S. citizen in space. -
First man in space.
Soviet cosmonaut Yuri A. Gagarin became the first human in space, he was Russian. -
Project Mercury.
John Glenn became the first U.S. citizen to orbit Earth. -
Apollo 11
Neil Armstrong landed on the Moon's surface. First human to walk on the Moon. -
When Pioneer 10 was launched.
Was the first space probe to survive a trip through the asteroid belt and encounter an outer planet, Jupiter. -
Voyager 1 and Voyager 2.
They were space probes. Voyager 1 fleww past Jupiter and Saturn and Voyager 2 flew past Jupiter, Saturn, Uranus, and Neptune. The probes will explore beyond the solar system. -
Galileo was launched.
Was a space probe that reached Jupiter in 1995. In July of 1995, Galileo released a smaller probe that began a five month approach to Jupiter. -
Pioneer 10.
In 2003, Pioneer 10 was more than 12 billion km. from Earth, and it will continue beyond the solar system.