When someone asks you where you live, you probably give the name of your street or maybe your city and state. Or, if you are traveling abroad, you might mention your home country. But once you leave our planet, that kind of information doesn’t really matter.

That’s why astronomers at the American Museum of Natural History are using the “Long Address.” In the universe, you need to focus on the big picture. Earth is one of the planets that orbits the Sun. The Sun is one of billions of stars in the Milky Way Galaxy. Our galaxy is one of several thousand galaxies in the Virgo Supercluster, which is only a small part of the entire universe.

To help you remember your address in space, here’s a song to the tune of “Twinkle, Twinkle, Little Star.”