Solar Balloon 500 Mile Flight!

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It's true, this little 5-foot tall trash bag solar balloon flew 500 miles in 7 hours! Solar balloons are he...
It's true, this little 5-foot tall trash bag solar balloon flew 500 miles in 7 hours! Solar balloons are heated by the sun only, which means they can fly all day! Learn more about solar balloons, and how to make your own solar balloon, at www.solar-balloons****.
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