Across
- 5. makes 90% of all stars
- 7. crucial for creating and distributing heavy elements
- 8. can last up to billions of years
- 9. most luminous and massive stars
- 10. eventually freezes solid
Down
- 1. made of hydrogen and helium gas
- 2. has lots of gravity
- 3. earth sized stellar core
- 4. giant cloud of dust and gas
- 6. incredibly dense remnants of massive stars