Pale Blue Dot: A Vision of the Human Future in Space Test | Final Test - Medium

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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Sagan says that the dark matter that surrounds the Milky Way galaxy takes what shape?
(a) A sphere.
(b) A halo.
(c) A disk.
(d) A column.

2. What does Sagan believe about weapons of mass destruction?
(a) They must never used in anger.
(b) They should be tightly controlled.
(c) They are a necessary evil.
(d) They must be destroyed.

3. According to Sagan, what was the major advantage of the attitude of the government towards the Apollo project?
(a) Rocket science progressed quickly.
(b) Computers advanced in power rapidly.
(c) There was plenty of funding for space.
(d) New propulsion systems were developed.

4. What type of Mars mission did President Reagan turn down?
(a) A joint mission with the Soviets.
(b) A one-way colonization mission.
(c) A manned orbital mission.
(d) A robotic colony-building mission.

5. Sagan describes the "myth" that he believes should be created as centering around what?
(a) Discovery.
(b) Encouragement.
(c) Science.
(d) Tolerance.

Short Answer Questions

1. At the time this book was written, how many Mars Observers had been flown successfully?

2. Which of the following is NOT one of the missions that observed Venus using radar telescopes?

3. CFCs are chemicals that is primarily hazardous to the environment in what area?

4. What moon was found to have volcanoes?

5. Which of the following planets is NOT known to have a ring system?

Short Essay Questions

1. What would the process of "terraforming" on Mars be like?

2. Why does Sagan believe that America sent men to the moon?

3. What does Sagan believe would be necessary for the safety of the human race to be secured?

4. How is Venus similar to Earth?

5. How could planetary tides pull a small planet apart?

6. How is Venus different from Earth?

7. What major environmental catastrophes does Sagan warn against in Chapter 14, "Exploring Other Worlds and Protecting One"?

8. How does Sagan believe that humanity will progress in the next hundred or so generations?

9. What does Sagan want to see on Mars?

10. What resources does Sagan believe that carbon asteroids have that make them suitable for human habitation?

(see the answer keys)

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