It was the sky and the background that sold me. The water I thought was a little low quality for a TG render that had such a nice sky. So yeah.
I gotta say though, I see these kinds of images all the time, from NASA, from universities, from where ever... Mostly they all look like cartoons, or just made by amateurs. (I don't mean this image, just images of this subject in general from the news)
Some times they look great, but usually I can find better images here and on
cgsociety.org Someone should do something about it