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Timespan
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Sputnik was the first man made satilite in space launched by Russia.
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The first human in space.
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Alan B. Shepard was the first U.S. citizen in space.
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John Glenn the first U.S. citizen orbited the Earth.
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Apollo 11 landed on the moon. Neil Armstrong was the first human on the moon.
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U.S. space station.
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Voyager I and II were launched in 1977 and headed into deep space.
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The Hubble Space Telescope was launched in 1990 by Discovery.
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Galileo a space probe reached Jupiter.
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Galileo took pictures of Io one of Jupiters moon.