‘Unreal’ auroras cover Earth in stunning photo taken by NASA astronaut

When seen from Earth, auroras are nothing short of dazzling. But it takes an astronaut’s-eye view to truly appreciate how vast and spectacular these light shows really are.

“Absolutely unreal,” NASA astronaut Josh Cassada tweeted (opens in new tab) Feb. 28 alongside a gorgeous photo of green auroras swirling around Earth’s far northern latitudes. Cassada snapped the image from the International Space Station, which orbits about 250 miles (400 kilometers) over Earth on average. 

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