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. How are chunks of Martian rock studied on Earth?
(a) They are simulated with moon rocks.
(b) They fall to the Earth.
(c) They are returned by two-way probes.
(d) They are captured in space.

2. The primary discipline that Sagan argues nations benefit from by investing in space exploration is called which of the following?
(a) Gestalt geosurveying.
(b) Planetary science.
(c) Interstellar surveying.
(d) Atmospheric metrics.

3. What is the shape of the galaxy closest to the Milky Way?
(a) Disc.
(b) Spiral.
(c) Cluster.
(d) Globular.

4. Which of the following is one of the moons of Mars?
(a) Orpheus.
(b) Hecuba.
(c) Phobos.
(d) Gilgamesh.

5. Sagan estimates that intelligent life might arise on average in one out of how many stars?
(a) One trillion.
(b) Ten thousand.
(c) One million.
(d) One billion.

Short Answer Questions

1. When was Venus first explored by a space probe?

2. How far out does the solar corona die out?

3. What moon was found to have volcanoes?

4. What type of Mars mission did President Reagan turn down?

5. What did Steven Hawking worry about with regard to black holes?

Short Essay Questions

1. What does Sagan say that it is probably the fate of humanity to "live in the dark"?

2. What is the purpose of SETI and how does it operate?

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

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

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

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

7. What is unusual about the ring systems of the planets in our solar system?

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

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

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

(see the answer keys)

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