Then the problem is the viewing properties of your browser.
The pic is only 1596 x 918
Save the pic and then set it as wallpaper...see what happens.
Well, still looks exactly as you posted it above.....but damn it’s gorgeous as a desktop (even if it’s only half the earth).
What I need is the original version they published, uncropped. I can resize, change, res, etc. easily if needed. Have you found that? The image in the original post is missing a good chunk of the Southern hemisphere.