Where in the Universe Are We?

A very brief travel guide to the universe

By Harman Smith and Laura Generosa (nee Berwin), graphic artists and contractors to NASA's Jet Propulsion Laboratory, with Pluto removed by User:Frokor — Based on Image:Solar_sys.jpg, with Pluto removed. Copied from http://en.wikipedia.org/wiki/Image:Solar_sys8.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1535590

Size, distance, and space is a captivating idea for us humans. Some of the most common questions from kids relate to size:

How big is it?

What’s the biggest ______?

What’s the smallest _______?