Solar Impulse prototype plane completes night flight

The Solar Impulse plane powered by 12,000 solar cells on airliner-size wings has flown through the night with three hours of power to spare.

It flew for 14 hours in daylight to accumulate energy for the night section of its flight.

After 26 hours in the air, pilot Andre Borschberg landed the prototype aircraft at Payerne airbase in western Switzerland.

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