Across
- 2. our universe is mostly this
- 5. the star we orbit
- 7. a group celestial bodys that can orbit the sun
- 9. a group of celestial bodys that include the sun and planets
- 11. a group of billions of stars(three main types)
- 12. move around something
Down
- 1. spin on a axes
- 3. the name of our galaxy
- 4. a type of galaxy that has a oval shape
- 6. everything known to man kind
- 8. a type of galaxy with a center bulge and outer arms that make a spiral shape
- 10. a galaxy with no defined shape