This piece evolved drastically. Tilt Brush owners: If you are signed up to Poly you can view the sketch here: https://poly.google.com/view/fQRKxQEbeIw
Caution : This is a full space scene. May cause vertigo
You won’t to see all of the rendering as it is in his final form but you can like it and then view it in Tilt Brush in your liked sketches.