This is a tough one, but take a guess before your read the hints.
Hint No. 1: The perspective is all wrong.
Hint No. 2: It's got nothing to do with smoke. And it's not in outer space. Read on for the answer …
It's lightning. From above.
In January, the European Space Agency's Paolo Nespoli took the photo, of lightning over Brazil, from the International Space Station.
Image Credit: ESA/NASA