2. ALL space and everything that is in it.
Universe
ALL space and everything that is in it.

3. Supercluster
Virgo

4. Our Cluster or Galaxy Group Local Group

5. A giant structure that contains hundreds of billions of stars.
Galaxy
A giant structure that contains hundreds of billions of stars.

6. Spiral Galaxy
A galaxy whose arms curve outward in a pinwheel pattern. Contains solar systems and nebulae (gas and dust).
Our Galaxy: MILKY WAY

7. Spiral Galaxy

8. A galaxy shaped like a flattened ball, containing only old stars.
Elliptical Galaxy
A galaxy shaped like a flattened ball, containing only old stars.
Example: M87 galaxy

9. Elliptical Galaxies

10. Irregular Galaxy A galaxy that does not have a regular shape.
Example: The Large Magellanic Cloud

11. Irregular Galaxy

12. MILKY WAY
the Earth's galaxy: the spiral galaxy to which Earth and its solar system belong

15. Solar System
Our star (Sun), the planets, many moons, and other small bodies that ALL travel around the Sun

16. Solar System