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 moon was once understood as a symbol of which of the following?
(a) Fertility.
(b) The unattainable.
(c) Prosperity.
(d) Madness.

2. What is the primary way that humans add carbon dioxide to the atmosphere?
(a) Carburetor emissions.
(b) Heavy industry byproducts.
(c) Drilling for natural gas and oil.
(d) Burning fossil fuels.

3. What planet is the "evening star"?
(a) Mercury.
(b) Mars.
(c) Saturn.
(d) Venus.

4. When does Sagan think that the human race will be "on its way"?
(a) When we begin living in space.
(b) When we make contact with another intelligent species.
(c) When we reach another star.
(d) When we begin colonizing other planets.

5. According to Sagan, how profitable is it for a nation to invest in space exploration?
(a) It is not related to a nation's welfare.
(b) It has great benefits in a limited scope.
(c) It is highly profitable.
(d) It has high costs.

Short Answer Questions

1. What type of asteroids does Sagan suggest that men might be able to live inside of?

2. When did NASA's SETI program go online?

3. Which of the following is NOT a major resource on Mars that makes it viable for "terraforming"?

4. Mars apparently once had what resource?

5. What hazard from nuclear weapons causes "nuclear winter"?

Short Essay Questions

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

2. What types of strategies are most practical for stopping an Earth-bound asteroid?

3. What profit motivations exist in a manned mission to Mars?

4. What does Sagan believe black holes have to offer?

5. What does Sagan conclude about the morality of terraforming and planetary colonization?

6. How well can an asteroid's path be calculated?

7. What does Sagan want to see on Mars?

8. How is Venus similar to Earth?

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

10. What is unusual about the surface of Venus?

(see the answer keys)

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