
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.
Most NASA images are in the public domain and free to use. Credit NASA as the source. Check NASA's media usage guidelines for details. Images featuring identifiable individuals may require additional permissions.
NASA ID
EC00-0283-9
Date Created
September 18, 2000
Center
AFRC
Media Type
image
Photographer
NASA/Tom Tschida
Location
Simi Valley, CA, USA
Download this image in multiple resolutions. All NASA media are free for public use.
Large
1920px