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Galileo looked at the sky with the first telescope
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Sir Isaac Newton built the first reflecting telescope
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A object in motion stays in motion
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Force equals mass multiplied by acceleration
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To every action there is a equal and opposite reaction
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Explorer 1 launched
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Vanguard 1 was launched
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The first human was launched into space and to orbit
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The first us astronaut to reach space
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The first space craft to orbit past Neptun
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The first photo of the whole solar system by USA
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The first landing on a astroid
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The first orbit past Mercury
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The first James Webb telescope will launch