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

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This test consists of 5 short answer questions and 1 (of 3) essay topics.

Short Answer Questions

1. What is the primary way that humans add carbon dioxide to the atmosphere?

2. How old are the terrain features generated by Venus' volcanoes?

3. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?

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

5. Where was NASA's first SETI facility located?

Essay Topics

Essay Topic 1

Sagan discusses the a manned mission to Mars as a desirable first step in extending the human race out beyond the Earth but identifies many practical problems with any proposed plan.

1) Explain why Sagan believes that a manned mission should be sent to the planet Mars.

2) Discuss some of the proposals for such a mission, what their aims would be, and how they would be carried out technically.

3) Describe the practical difficulties that Sagan outlines and how they could be overcome.

Essay Topic 2

Volcanoes are quite common and relatively active on Earth, and can be observed on solid planetary bodies throughout the solar system.

1) Describe the process of volcanism in general, its causes, and its impact on the environment.

2) Discuss the function and nature of volcanoes on Earth and how they interact with the upper atmosphere and eject particles into space.

3) Describe some of the known active or dormant volcano system observed on other planets and moons.

Essay Topic 3

Sagan suggests that the colonization of distant worlds is both feasible and critical to humanity.

1) Explain how does Sagan envisions colonization of distant worlds occurring. What would be the motive for such efforts?

2) Discuss some of the targets that Sagan suggests for colonization, including non-planets.

3) Describe why Sagan believes that colonization is critical to securing the safety of the human race.

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