Gallery: Sun-Powered Solar Impulse Plane Completes First Night Flight


The Solar Impulse airplane landed in Switzerland this morning after a 26-hour flight that proved that a solar-powered airplane can fly in darkness. The propeller plane has nearly 12,000 solar cells on its 207-foot lightweight carbon-fiber wings. The cells stored enough energy between takeoff at 7 a.m. yesterday and nightfall last night to get pilot André Borschberg through the night at a maximum altitude of 28,000 feet.

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