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The first telescope built by Galileo, using lenses to make far away objects look closer and bigger.
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Telescope discovered by Sir Isaac Newton that lets in more light so we are able to see even more objects farther away.
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First American rocket made by Robert H. Goddard using liquid fuel.
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First human made object to travel high enough to be considered space. Made by a German named Wernner Von Braun.
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First American designed rocket to reach space.
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First artificial satellite ever put unit orbit. Made by USSR.
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First satellite to be put into orbit with a living creature (dog) by the Soviets.
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National Aeronautics and Space Administration was established (NASA).
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Yuri Alekseyevich Gagarin became the first human in space.
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Neil Armstrong became the first man to walk on the moon.
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First space shuttle to be launched.
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Bruce McCandless became the first man to take an untied space walk.
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Edwin Powell Hubble built the first major optical telescope to be placed in space.
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NASA placed an object on Mars to get closer looks at the planet.
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Europe, USA, Japan, Canada, and Russia all worked together to make the space station that allows astronauts to live inside of it and do research not possible on Earth.