Well, he did put himself in the photo, which wasn't at all necessary for documentation. And doing so arguably increased his radiation exposure. So I think that "selfie" fits.
It does not. The amount of risk involved is not a factor. The term "selfie" refers to the inherent narcissism of the focus of the shot.
In a traditional selfie, when you move, your arm moves with you and your self remains the center focus of the shot. A drone selfie acts in a similar way. A timed shot on the other hand will always capture a specific scene, whether you are in it or not.
Arguably Eschers lithograph "Hand with Reflecting Sphere" does qualify, but Korneyevs picture doesn't.
In a traditional selfie, when you move, your arm moves with you and your self remains the center focus of the shot. A drone selfie acts in a similar way. A timed shot on the other hand will always capture a specific scene, whether you are in it or not.
Arguably Eschers lithograph "Hand with Reflecting Sphere" does qualify, but Korneyevs picture doesn't.