Across
- 3. All of the other galaxies that don't fall under elliptical or spiral galaxy
- 4. Everything in space
- 5. The theory of how the universe was formed
- 6. A type of galaxy that has a central bulge, in which is orbited
- 7. A collection of celestial objects held together by gravity
Down
- 1. Celestial objects that orbit the sun or orbit others that orbit the sun
- 2. A type of galaxy that has an oval/round appearance