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sputnik 1
Sputnik 1 was the first artificial satellite sent into space. -
Period: to
space exploration
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Project Mercury
Goals of this project was to orbit a piloted spacecraft around Earth and to bring it back safely -
1st U.S. citizen in space
Alan B. Shepard became the first U.S. citizen in space. -
Yuri A. Gagrin
In 1961, Soviet cosmonaut Yuri A. Gagarin became the first uman in space. -
1st U.S. citizen to orbit Earth
John Glenn, a Mercury astronaut was the first u.s. citizen to orbit Earth. -
Project Gemini
The next step in reaching the moon was Project Gemini. Project Gemini was launched by rocket Titan 2, which was a liquid fuelled rocket. -
Project Apollo
Project Aplollo was the final stage of the U.S. program to reach the moon. Apollo 11 landed on the moons surface on July 20th, Neil Armstrong was the first human to set foot on the moon. Edwin aldrin was also on that trip and also stepped on the moon. -
Voyager 1 and 2
Probes that are traveling thorugh space. They flew past Jupiter, Saturn, and Neptune. They are suspected to transmit data to Earth for 20 more years. -
Galileo
Galileo was a space probe that reached Jupite rin 1995. It released a smaller probe that began a five month approach to Jupiter. It transmitted information about Jupiters composition, temperature, and pressure.