Exam 2 Study Guide

Exam 2 Study Guide - ASTRONOMY 180 INTRODUCTION TO...

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ASTRONOMY 180 INTRODUCTION TO ASTRONOMY STUDY GUIDE--EXAM #2 FALL 2007 1. What are the three types of spectra? Absorption – continuous color with black lines; Continuous – all colors; Emission – dark black continuous with colored lines 2. What are Kirchhoff’s Three Laws of Spectroscopy? Be able to identify the type of spectrum produced with the characteristics of the source. 3. How does the movement of electrons among the energy levels of an atom explain the formation of absorption and emission lines? 4. What type of spectrum do we get from stars? 5. What is the Doppler Effect? What causes it? 6. When do you get a blueshift of the spectral lines? When do you get a redshift of the spectral lines? 7. What is the radial velocity of a star? How is it measured? 8. What is proper motion? 9. Discuss three pieces of information that the spectral lines can provide about a star. 10. What is the order of the planets outward from the Sun? 11. Where are the asteroid belt, Oort Cloud, and Kuiper Belt? 12. What are the differences between the terrestrial, Jovian, and dwarf planets? 13. What is the largest planet? The smallest planet? 14. Which planet has the most moons? Which planets do not have any moons? 15. How do astronomers believe the solar system formed? 16. How did formation of most of the planets differ from the formation of the Sun, Jupiter, and Saturn? 17. Why are rocky planets found near the Sun and gaseous and icy objects found further out in the solar system? 18. Have planets been found around other stars? If so, how are they detected? 19. What is the composition of the Earth's atmosphere? Its clouds? 20. How has the Earth’s atmosphere changed over time? 21. What is the Greenhouse Effect and how is it caused? 22. In what part of the Earth’s atmosphere is the ozone layer found? 23. Why are we concerned about the destruction of the ozone layer? How is this occurring? 24. How does plate tectonics explain the Earth's geology? 25. What are the three types of plate boundaries? What happens at each? 26. Have the continents been in their current positions throughout Earth’s history?
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This note was uploaded on 04/18/2008 for the course AST 180 taught by Professor Barlow during the Fall '08 term at N. Arizona.

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Exam 2 Study Guide - ASTRONOMY 180 INTRODUCTION TO...

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