Across
- 1. Stars have a wide range of ____
- 3. This is when large amounts of dust and gas are pressed together
- 5. These galaxies are brightest at their center
- 8. Stars are classified by their ____
- 9. Starts from when ____ causes gas and dust particles in space to pull together
- 10. This is the study of objects in space and their characteristics
- 11. ____ galaxies do not have any particular shape
- 13. This astronomer was the first to study galaxies
- 14. These are huge balls of hot glowing gases
Down
- 2. ____ galaxies are pinwheel like group of stars
- 4. These people study space and everything in it
- 6. This is a group of billions of starts
- 7. Galaxies are separated by large ____
- 12. The ____ is a star