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Vanguard 1


Vanguard 1 1/30/12


Evil NASA Satellites Series Ep#2 - Vanguard 1


OTD in Space – March 17: U.S. Launches Its Second Satellite, Vanguard 1


Vanguard (Flopnik)


Sounds From The First Satellites

Vanguard 1 was the fourth artificial Earth orbital satellite to be successfully launched. Vanguard 1 was the first satellite to have solar electric power. Although communication with the satellite was lost in 1964, it remains the oldest man-made object still in orbit, together with the upper stage of its launch vehicle. It was designed to test the launch capabilities of a three-stage launch vehicle as a part of Project Vanguard, and the effects of the space environment on a satellite and its systems in Earth orbit. It also was used to obtain geodetic measurements through orbit analysis. Vanguard 1 was described by the Soviet Premier, Nikita Khrushchev, as "the grapefruit satellite".
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    • Facts 

    • Spacecraft design 

    • Mission 

    • After the mission