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HomeExploreHistoryMilestone Missions of the Space RaceVanguard 1

Vanguard 1

by curious_compiler
Vanguard 1
NASA photo (retouched) / Public domain · resizedfile
Solar cells let this little satellite draw power from sunlight. Vanguard 1 was the first solar-powered satellite, a demonstration of a power source that could outlast a launch-day battery.
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