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Spunik 1 was the first artificial Earth satellite. It was a 58 cm diamiter metal sphere. Sputnik 1 was important because, it was the first manmade object to orbit the Earth and it started the Space Race.
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The Soviets sent the first living thing into space. A dog named Laika. This was important because it showed that living organisms could servive in space.
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This was important because it was America's relation.
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Exploror 1 was the first U.S satellite. It was important beacuse the Space Race was just begining.
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This date is imortant because this was the first time a human had been in space before!
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This was important because it kick started the Apollo program and it started sending humans into space.
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This was important because it just added to the mistakes of the Soveit Union that led to them loosing the Space Race.
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This was important because it was the first time a human being had landed on the moon.
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This was important because it ended the space race.
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It was imortant because it ended the space race.