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Ref : S03669
Theme :
Astronotics - Misc. - Apollo History - etc. (108 images)
Title : AeroVironment technician checks a Helios solar cell panel
Caption :
A technician at AeroVironment's Design Development Center in Simi Valley, California, checks a panel of silicon solar cells for conductivity and voltage. The bi-facial cells, fabricated by SunPower, Inc., of Sunnyvale, California, are among 64,000 solar cells which have been installed on the Helios Prototype solar-powered aircraft to provide power to its 14 electric motors and operating systems.
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