How tall are you? How far away is New York City? How far away is the Moon? How about the nearest planet, star, or galaxy? Do we measure them in inches, kilometers or light years? Find out why we choose some measuring units and not others.

Distances in Space - Facts for Kids

Here is a graphic strip that shows changing scale in the Universe. It takes you from Earth to the observable Universe. Think carefully about each increase in scale to appreciate what you're seeing. (But not so carefully that it gives you a headache!)

The Universe