Across
- 1. __________ the star the lager the life span.
- 3. ____________ are areas of intense gravitational pressure.
- 5. The Milky Way has what shape?
- 6. The change in the wavelength of the light divided by the rest wavelength of the light.
- 8. What are young stars called?
- 9. What is the nucleus inside of?
- 11. Milky Way is held together by _____?
- 14. The beginning of the universe as we know it, most scientists say.
- 16. Smaller the star the _______ the life span.
- 17. What element does a mature star consist of?
Down
- 1. Our ________ _______ is far away from the Milky way galaxy.
- 2. _______ are cosmic energy engines that produce heat, light, ultraviolet rays, x-rays, and other forms of radiation.
- 4. This expansion has been occuring since the universe was formed _____________ years ago in a very hot, dense event known as the Big Bang.
- 7. What type of galaxy has no particular shape?
- 10. Big stars consume fuel at a ______ pace.
- 12. What is our galaxy called?
- 13. What is the nearest star to the earth?
- 14. Do mature stars become brighter or dimer as they burn?
- 15. Space telescope that was carried into orbit by a Space Shuttle in 1990 and remains in operation.