Across
- 3. orbits earth
- 4. no defined shape
- 7. a system of millions or billions of stars, together with gas and dust, held together by gravity
- 8. bulge with spiral arms coming out
Down
- 1. football-shaped
- 2. ball of gas
- 3. our galaxy/candy
- 5. group of planets in a galaxy
- 6. our planet
- 8. group of stars