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Its first man made object to Orbit the sun and he did
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Sputnik was the first satillight launched into space.
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Sputnik lauched a dog into space in 1957 because they wanted to see if a dog could last as long as a human and saddly the dog died in space because it didnt have enough food or water to suvive
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Eplorer 2 was a model of explore 1 but d to a failure rocket during launch it didnt make its orbit
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Exlorer 1 was the first sattilight of the United States to be launched into space.
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Yuri Gagarin orbited the moon and became the first man in space. This is important to us becasue if it wasnt for him we wouldnt know if going into space was safe
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it was the most important fight that took place in that year. He did that and reterned home safely.
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If it wasnt fot survyor landing on the moon we wouldnt have any idea for what was on the moon.
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They became the first man to walk on the moon and it help us because when he did that he put the american flag to show that we were the first state to walk on the moon or to be on the moon
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pete conrad and Alen Bean performed it and it landing 600 fet away from the first one that landed there so it was the 3rd one to make it all the way there so that made us seem like it was so safe to go into space.
