Solar Impulse is back on round-the-world trek

Image: Solar Impulse departure
Solar Impulse CEO Andre Borschberg flashes a thumbs-up as the Solar Impulse 2 airplane, piloted by Bertrand Piccard, rises from its runway in Hawaii. (Credit: Solar Impulse)

More than a year after its odyssey began, the Solar Impulse 2 airplane resumed its round-the-world, solar-powered trip in Hawaii today.

The ultra-lightweight plane took off at 6:18 a.m. Hawaii time (9:18 a.m. PT).

Solar Impulse began the trek in March 2015, taking off from Abu Dhabi and making stopovers in Oman, India, Myanmar, China and Japan. It got as far as Hawaii last July.

That five-day, five-night nonstop flight across the Pacific to Hawaii took a heavy toll on the plane’s batteries. The system overheated, and it took several months to make the repairs. The team also had to wait for reliably good weather to return.

Now the $150 million project has gotten off the ground again.

Get the full story on GeekWire.

By Alan Boyle

Mastermind of Cosmic Log, contributor to GeekWire and Universe Today, author of "The Case for Pluto: How a Little Planet Made a Big Difference," past president of the Council for the Advancement of Science Writing.

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