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

2. When does Sagan predict that anti-matter will be mass-manufactured?
(a) The 23rd century.
(b) They late 21st century.
(c) The early 21st century.
(d) The 22nd century.

3. Where was NASA's first SETI facility located?
(a) The Sierra Nevada mountain range.
(b) The Nevada salt flats.
(c) The Appalachian mountain range.
(d) The Mojave desert.

4. What is the primary distinguishing feature that SETI looks for to identify a communication from an intelligent source?
(a) Prime Numbers.
(b) Mathematical constants.
(c) Repetition.
(d) Design parameters.

5. In what year did humans visit the moon for the last time?
(a) 1975.
(b) 1979.
(c) 1972.
(d) 1969.

Short Answer Questions

1. Where does Sagan think it is most likely that life will be found on Mars?

2. It is believed that some of Saturn's rings may eventually form into what?

3. Sagan discusses in detail a theory that Saturn's rings are caused by what effect?

4. About how large a percentage of the mass of the total universe does dark matter make up?

5. What was the name of the second mission that sent probes into the atmosphere of Venus?

Short Essay Questions

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

2. What is unusual about the surface of Venus?

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

4. How is Venus different from Earth?

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

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

7. What does Sagan want to see on Mars?

8. What does Sagan think were the major upsides of the Apollo missions?

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

10. Why does Sagan suggest that space exploration aids in protecting the planet?

(see the answer keys)

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