In this image the 3D may be a little over the top, but if you put this cover side by side with current best sellers, it will certainly stand out. Few best sellers have a very compelling image, some no image at all, and most covers relay nothing about the content of the book.
Beyond Infinity, which suggests what we may encounter beyond the universe we can even perceive, allows the reader to imagine beauty and wonder beyond the imagination. In reality, it is imagination that takes us to such realms. Photoshop CS6 extended certainly helps us visit such realms with far less effort. Isn’t it fun!
Just a note: Since this is only a sample I didn’t let it render long enough for the arc to become completely smooth.