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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.
Short Answer Questions
1. Where does Sagan think it is most likely that life will be found on Mars?
2. Sagan says that the dark matter that surrounds the Milky Way galaxy takes what shape?
3. How far out does the solar corona die out?
4. What does Sagan say the rings of Saturn composed of?
5. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?
Short Essay Questions
1. What types of strategies are most practical for stopping an Earth-bound asteroid?
2. What does Sagan believe black holes have to offer?
3. What is the purpose of SETI and how does it operate?
4. What major environmental catastrophes does Sagan warn against in Chapter 14, "Exploring Other Worlds and Protecting One"?
5. How is Venus similar to Earth?
6. What promising signs does Mars have for being host to life?
7. What does Sagan conclude about the morality of terraforming and planetary colonization?
8. What location in the solar system either have or are believed to have once had volcanoes?
9. How is Venus different from Earth?
10. What does Sagan believe would be necessary for the safety of the human race to be secured?
Write an essay for ONE of the following topics:
Essay Topic 1
The heliocentric theory was developed by Copernicus, Galileo, and others, and uprooted the dogmatically endorsed geocentric theory, forever changing the nature of scientific thought in the West.
1) Describe heliocentric theory and the scientists who proposed and developed it.
2) Explain some of the abnormalities and observations that lent support to the heliocentric theory.
3) Discuss the reasons that Sagan believes heliocentric theory was opposed by the church.
4) Describe the impact of the victory of the heliocentric theory over the geocentric model on scientific thinking in the West.
Essay Topic 2
Mars is Earth's nearest neighbor and the best candidate for human exploration and settlement.
1) Explain some of the characteristics of the planet Mars, including those that make it a good candidate for human colonization.
2) Discuss the indicators on Mars that suggest to Sagan that life could be found on the planet.
3) Describe the process that Sagan discusses which would be necessary to terraform Mars.
Essay Topic 3
The program SETI is the Search for Extraterrestrial Intelligence. Sagan endorses this program whole-heartedly despite its failure to date and many complaints about its cost.
1) Explain the SETI program and its goals, and how it goes about its search for intelligence.
2) Discuss some of the criticisms about the SETI program.
3) Explain why Sagan maintains his support for the program, despite its failure to date.
This section contains 688 words
(approx. 3 pages at 300 words per page)