1. What term is used to describe the collection that includes gamma rays, x-rays, ultra violet light, visible light, infrared radiation, and radio waves?
2. What color has the longest wavelength?
3. What is spectroscopy?
4. How can astronomers determine whether a star is moving toward or away from earth?
5. True or false: a refracting telescope uses a mirror.
6. What is the advantage of a space telescope over a similar instrument on earth?
7. Why are radio telescopes much larger than optical telescopes?
10. Compare the diameter of the Sun to that of the Earth. 19. Describe the photosphere, chromosphere, and corona.
11. List the features associated with the active Sun and describe each.
12. What is the solar wind?
13. What fuel does the Sun consume?