NASA solar eclipse app might reveal the sun's true shape

It's almost total solar eclipse time in North America. On Monday 8 April, the moon will pass between Earth and the sun, turning day into night. And if you're hoping to capture the moment, there's a NASA-funded smartphone app to help you do just that. 

The SunSketcher app was created at Western Kentucky University (WKU) to allow anyone to capture every moment of the the total eclipse safely with any one of the best camera phones. And it's all in the name of scientific research.

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