AIR & SPACE MAGAZINE

The Sun Also Sets

…which is why any solar-powered airplane designed to circle the globe has to be able to fly at night, too.Switzerland’s Solar Impulse team checked that off their to-do list yesterday.Next up in 2012: an Atlantic crossing in a more advanced prototype to be built next year.

© Solar Impulse
...which is why any solar-powered airplane designed to circle the globe has to be able to fly at night, too.

Switzerland's Solar Impulse team checked that off their to-do list yesterday.

Next up in 2012: an Atlantic crossing in a more advanced prototype to be built next year.

Tony Reichhardt is a senior editor at Air & Space.

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