This diagram shows our cosmic address at a glance. We see our planetary system around the Sun, our stellar neighborhood in our galaxy, our galaxy in the local group of galaxies, and our group in the entire universe.
I'm not sure brain surgery lasts as long as a school day, but even if it does, at least the doctor only has one person (who's asleep) to focus on. ;) of course, no one wants me wielding a scalpel either!
SPACE - This example of our solar system use scaling to show size, order, and distance of planets to the sun.