The planet btw I didn't draw, I used a stock photo I heavily altered to look like tone. I didn't want to draw it over the inside crease in case I needed to adjust it for printing, as I probably will.
It sucks that this page can't be shown as the two-page spread as it originally was intended, but you can see it in the physical book or on my dA site. To see the whole two-page spread, click here: DeviantART