Images: Cross-Country Flight in a Solar-Powered Plane

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Sun power

The solar-powered solar impulse plane flying over Switzerland — (Image credit: © Solar Impulse | Jean Revillard)

Solar Impulse Lands in Washington, D.C.

Swiss pilot Bertrand Piccard waves after landing the solar-powered Solar Impulse plane in Washington, D.C. on June 16, 2013.

Solar Impulse in Cincinnati, Ohio

The Solar Impulse plane is pictured on the runway shortly before taking off from Cincinnati, Ohio on June 15, 2013.

Solar Impulse Plane Lands in St. Louis

The solar-powered Solar Impulse plane landed at Lambert-St. Louis International Airport on June 4, 2013.

Solar Impulse Plane Departs Dallas

Solar Impulse co-founder André Borschberg waves his cowboy hat as the solar-powered aircraft departs Dallas on June 3, 2013.

Solar Impulse Plane Takes Off From Phoenix

The Solar Impulse plane departs Phoenix, Arizona on May 22, 2013, on the second leg of its cross-country flight.

Solar Impulse Plane Lands in Dallas

The Solar Impulse plane lands in Dallas, Texas on May 23, 2013.

Solar Impulse Takes Off

Solar Impulse plane takes off from California — (Image credit: Solar Impulse)

The Swiss-made Solar Impulse airplane takes off from Moffett Airfield near San Francisco, Calif. on May 3, 2013.

Solar Impulse Over California Runway

Solar Impulse flies over the runway at Moffett Airfield in California shortly after takeoff on May 3, 2013.

Solar Impulse Cockpit View

A view from the cockpit of Solar Impulse, as it flies toward Phoenix, Ariz. on the first leg of its cross-country journey on May 3, 2013.

Solar Impulse Flies Over Palo Alto

The Solar Impulse plane flies over Palo Alto, Calif., in this photo taken by a spectator using his iPhone.

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Tia is the editor-in-chief (premium) and was formerly managing editor and senior writer for Live Science. Her work has appeared in Scientific American, Wired.com, Science News and other outlets. She holds a master's degree in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's degree in mechanical engineering from the University of Texas at Austin. Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.