Across
- 3. everything that exists anywhere
- 5. a spiral galaxy with a central bar-shaped structure composed of stars
- 6. a collection of star systems
- 8. two galaxy’s combined to make one
- 9. a celestial body that is in orbit around the Sun
- 10. a group of planets and other bodies that revolve around a star
Down
- 1. no specific shape
- 2. the galaxy containing the solar system
- 4. a cloud of gas and dust in outer space
- 7. 4-5 main arms
