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Galileo used a telescope to look at the different stars and planets in our solar system.
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Issac Newton had invented the refracting telescope in 1668. A refracting telescope is a telescope that uses converging lens and collects light.
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Issac Newton had created the theory of universal gravity, Issac discovered thin in 1686. Universal gravity is when one part iCal attracts other particular to move around it.
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In 1926 Robert Gorrard invented the first liquid fuel rocket, and was made in the US. With this invention it had helped make putting things into space possible for scientist to do
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In the year of 1957 Russia sent out the first satellite. This event had started the "Space Race". This had sparked the desire for many new mission out to space to begin.
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The first man in space was Yuri Gagargin, Yuri was sent out into space by Russia, this mission was in the year of 1961. Yuri was the first man to be put out into space and the first man to orbit the earth.
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This event had happened in 1969 in July. Apollo 11 went to the moon. Once the Apollo landed on the moon Neil Armstrong was the first person to step on the moon. The country that supported this mission was the us.
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Russia had sent out the first space station out into the solar system. The Russian had sent out the space station in the year of 1971.
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In 1975 several countries including America, Russia, and many more sent out a space station. This event had ended the space race between all of the countries.
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Viking 1 had landed on mars in 1976. The country behind this landing was made by NASA. Viking 1 gave Astronomers picstures of Mars for 6 years. This mission let scientist learn more about mars and what it is made of.
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America had had sent out the first space station known as Colombia. This had happened in the year of 1981. This space shuttle has took 130 missions to keep the space shuttle intact and working.
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In 1990 the Hubble Space Telescope was brought into orbit by the space station. With the Hubble it has helped scientist discover things in the universe that could have never been founded, this mission was carried out by USA.
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In the year of 1998 and was funded by America and Russia and many more. The international Space Station lets experiments go on over many of years but if people come back to earth the experiment can stay there until the next space crew comes and works on the experiment.
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In 2011 a American astronauts were sent into space to repair the International Space Station. Why this mission was important was because if they were not to repair the International Space Station the telescopes and materials would not work. But science they had fixed it the International Space Station has a longer life expectancy.
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Scott Kelly in 2015 returened back to earth after being in space for over a year. With this mission it has thought scientist on how going into space and having no gravity effects the human body. And this mission also helped scientist with future missions.
