Wow, I love the look; very striking!

Are the orbits on any sort of measurable scale, or just approximated? If the latter, how did you decide how far apart to make each one?

Also, I think the void of empty space beyond the outermost planet in the third panel is actually a very effective way of denoting just how far out and alone the outermost planets are. There's some pretty effective subtext in the simple act of leaving so much space empty, I think. Repped!

-asp