Astronomy - CrossWord

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?

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.