[Challenge] If you could right-click the sky...

[Googolplex]

The pixels are as much as the picture is. The sky is 3D while a picture is 2D - you can't calculate pixels of a real 3D object/location. Also the sky doesn't end with the clouds, there is a lot behind we can't see with a camera.

Not the image I put, the whole sky.

The whole sky doesn't have any pixels.