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This was important because it started the research of arificial satellites and how they would need to be made to sustain in space.
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This was important because Sputnik 1 was the first artificial satellite to be launched. So, this advanced scientific knowledge because the Soviet Union was able to create and launch an artificial satellite that was able to sustain in space.
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This was important because it advanced scientific knowledge for the United States.
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This was important because NASA gathered together scientists and engineers who could help build or fix artificial satellites.
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The Soviet Union were able to make an artificial satellite sustainable for a person which advanced scientific knowledge for human needs for the Soviet Union.
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This was important because he was the first American to be launched into space which further advanced scientific knowledge because the artificial satellite was able to supply the human needs.
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This was important because it caused scientists to research and create an artificial satellite that could hold someone.
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This is important because it gave scientists the knowledge that anything that landed on the moon wouldn't sink.
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This is important because he was the first American to orbit the Earth and it advanced scientific knowledge for the United states.
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This is important because there were humans inside that could gather information about the moon and take something back to study or experiment on.