Solar Impulse 2 on its First Night Flight. This is What it Saw.
The Solar Impulse 2 aircraft flew over the Sea of Japan on 31 May, 2015, almost 24 hours after it set off on the most ambitious leg of its quest to circumnavigate the globe powered only by the sun. The overnight flight would be the first time the aircraft would have to fly "through the night", during which time it will rely on battery power.
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This handout photo taken and released early on May 31, 2015 by the Solar Impulse project shows the Swiss-made solar-powered plane Solar Impluse 2 taking off from Nanjing's Lukou International Airport in Nanjing, in eastern China's Jiangsu province for its next stop in Hawaii. AFP PHOTO / SOLAR IMPULSE
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Chinese security staff members stand guard shortly before the Swiss-made solar-powered plane Solar Impluse 2 takes off from Nanjing's Lukou International Airport in Nanjing, in China's eastern Jiangsu province, early on May 31, 2015. AFP PHOTO / JOHANNES EISELE
