Question

How is the universe organized?

Answer 1

A (very) basic list follows:
Asteroids
Comets
Moons
Planets
Stars
Solar systems (planets about a star)
Galaxies (collection of stars)

Explanation:

The universe contains organized structures on all different scales, from small systems like the earth and our solar system, to galaxies that contain trillions of stars, and finally extremely large structures that contain billions of galaxies.