Top > Science > Technology > Space > Missions > Unmanned > Earth Orbit

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• Science: Astronomy: Solar System: Planets: Earth  (51)

» Keo - To be launched in 2005, Keo will fly through space for 50,000 years before returning to Earth to deliver messages. You can enter a message free of charge.

» Vanguard: A History - Story of the Vanguard satellite program. Discusses the planning, setbacks, successes, and launchings, and includes effects of individual and mass psychology.

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