Across
- 3. : well-known 17th-century italien astronomer
- 4. : best place to look stars just beginning to form
- 7. : the fundamental force in the creation of stars is ...
- 8. : the color of the stars stars determined this ...
Down
- 1. : largest unit of the oraganization of the universe
- 2. : ... is a could of interstellar gaz and dust
- 5. : explosion that marks the end of a star
- 6. : what is composed of a large quantity of stars