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Space Exploration – Past, Present and Future

Ever since the beginning of time, mankind has been fascinated with wonders of space. Before the mid-1900s, all mankind could do was gaze at the stars from Earth and wonder what it would be like to go into space. Man would look through telescopes and make theories on how the universe worked. During the mid-1900s, mankind finally was able to send a man into space and explore the wonders of spacefirst hand. So why do humans explore space? Well, it is our fascination with the unknown. Atfirst, all mankind did was look up and wonder how things became what they are now. We started to think that all celestial bodies revolved around the Earth, and the Earth was the center of the entire universe. Galileo Galelie later disproved this theory. Even with growing knowledge in the field, it was not until 1957 when thefirst Earth orbiter, the Soviet's Sputnik 1, was sent into space and placed in orbit at an altitude of 1,370 miles and weighed !
184 pounds. Later in that year, the Soviets sent Sputnik 2 into space with a dog named Laika. Laika was thefirst animal to venture into space. Then in 1985, the United States successfully sent their very own satellite into space. In 1960, the Soviets launched to dogs into space and successfully returned them to Earth. From this point started the space race. The space race was a challenge between the USSR and the United States to see who could land a man on the moonfirst. In 1961, thefirst man in space was cosmonaut Yuri Gagarin who was in space for 60 minutes before returning to Earth in Vostok 1 and was sent by the USSR. Astronaut Shepard flew thefirst manned sub-orbital space-flight by the Americans. Thefirst true American orbital flight was by John Glen and he stayed in space for five hours in Mercury 6 in 1962. Then in 1963, the USSR sent thefirst woman into space; her name was Valentina Tereshkova-Nikaleva. They also had thefirst person to take a space-walk in 1965. In 1968, the…

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