The life expectancy of the Vanguard I satellite is now estimated to be more than 2000 years. It was launched on March 17, 1958. - discu.eu

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The life expectancy of the Vanguard I satellite is now estimated to be more than 2000 years. It was launched on March 17, 1958. http://en.wikipedia.org/wiki/project_vanguard 8 comments 8/3/2009 technology