Across
- 3. A neutron star that emits light energy
- 6. A star too small to fuse hydrogen into helium
- 8. created, a star exists in this part of an HR diagram
- 9. Most common type of main sequence star
- 13. Ball of gas and dust that forms by gravity in a nebula.
- 15. A star is born when this occurs.
- 19. The birthplace of a star.
- 20. The next stage in our Sun's life
- 21. Most stars are made up of this element
- 22. Pairs of stars that revolve around each other
- 23. An extremely dense star that is formed after a supernova
- 24. The strength of gravity is determined by distance and _____
- 25. Carbon is formed when this element undergoes fusion
Down
- 1. Type of reaction that needs to happen for a star to be born
- 2. Once cooled, a white dwarf will become a ________
- 4. Force that causes all processes in a star's life
- 5. kind of star that becomes a planetary nebula
- 7. The stage of a star's life after it runs out of hydrogen fuel.
- 10. A star that remains after the gas and dust of a planetary nebula drifts away.
- 11. A white dwarf is made of this element
- 12. The largest main sequence stars.
- 14. Exerts such a gravitational pull that no light can escape.
- 16. Fusion in a supergiant ends with this element
- 17. The explosive death of a star.
- 18. Very large, cool and bright stars.