Across
- 1. A galaxy that's oval shaped.
- 4. A system of stars and planets.
- 5. The center of our solar system.
- 7. A collection of gas, dust, and stars.
- 8. A galaxy with "arms" reaching out.
- 9. The spiral galaxy in which we live.
- 10. The distance light travels in a year.
Down
- 2. A galaxy that has no defined shape.
- 3. The amount of stars in our solar system.
- 6. All of space and everything in it.