Across
- 2. galaxy with central bulge and arms
- 6. largest object within the solar system
- 8. oval or round shaped galaxy
- 9. scientist who studies space
- 10. force that makes Earth orbit the Sun
- 11. planet we live on
Down
- 1. galaxy with no defined shape
- 3. clestial objects like planets,astroids,moons
- 4. collection of gas dust and stars
- 5. best season to see galactic core
- 7. balls of hot gas