ELI5: Explain Like I'm 5

Celestial cartography

Okay kiddo, have you ever heard of a map? It's a piece of paper or something that shows you where different places are. Now imagine if we made a map of the stars and planets in the sky! That's what celestial cartography is all about.

You know how some people use special equipment to look at the stars and planets? Well, they can use that to make outlines of the different constellations and planets they see. They make a list of them and then draw them on a big map of the sky.

Just like how a regular map shows you where different countries and cities are, a map of the sky shows you where different stars and planets are. And if you know how to read it, you can use the map to find your way around in the sky.

Celestial cartographers, or the people who make these maps, have been around for thousands of years. Even back in ancient times, people were making maps of the sky! Nowadays we use really fancy technology to make better maps, but the idea is still the same.

In the end, celestial cartography is just a fancy way of saying "making a map of the sky so we know where the stars and planets are". Pretty cool, isn't it?