Across
- 7. A strange "object" that forms via gravity
- 10. The range of both visible and invisible light
- 11. When a star has completely exhausted its source of fuel
- 13. The majority of a star's life
- 14. A diagram of Stars showing the relationship between light and temperature
- 15. A man-made object that floats in space
Down
- 1. A large explosion when a star dies
- 2. The border of a large gravitational object
- 3. A form of a star that has cooled and expanded
- 4. A measure of how bright a star is
- 5. Leftovers of the early universe
- 6. A force that pulls all objects
- 8. Proof that the universe is growing
- 9. A cloud of gases/dust often housing new stars
- 12. A tendency of not wanting to stop