Across
- 5. Outer layer expands; Has pressure needed to fuse iron
- 10. Burn for a long time and stage of our Sun
- 11. The spiral Galaxy that contains our solar system
- 12. Scatter plot showing a stars luminosity and temperature
Down
- 1. All existing matter and space considered as a whole
- 2. Collapsing cloud of dust and gas
- 3. Glow white from left over heat
- 4. Large star 100x original size; Helium being fused into carbon
- 6. A system of millions or billions of stars held by gravity
- 7. Cooled star; Does not glow
- 8. Process of combining two things into one
- 9. The quality of something that gives off light or shines with reflected light