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

2. Sagan suggests that humans could live and thrive around what unusual type of star?

3. According to Sagan, what was the major advantage of the attitude of the government towards the Apollo project?

4. Why do some suggest capturing asteroids in Earth orbit?

5. According to Sagan, how profitable is it for a nation to invest in space exploration?

Essay Topics

Essay Topic 1

Uranus was the first new planet discovered, aside from the five known to ancient cultures.

1) Discus the discovery of Uranus and what made this discovery unusual and unique.

2) Describe the planet Uranus, including a discussion of its unique inclination and theories to explain this feature.

3) Discuss Sagan's impression of the planet and the likelihood that it or its moons could harbor life.

Essay Topic 2

In Chapter 1, Sagan discusses in detail the photo of the "pale blue dot" for which he named this book. He regards it as a singular and impressive symbol of man's place in the universe.

1) Describe how the photo of the "pale blue dot" was taken, the risks involved, and how Sagan was personally involved in its creation.

2) Describe the photo itself, using details from the book.

3) Explain how Sagan thinks that this photo demonstrates part of the triumph of the Voyager spacecraft.

4) Discuss in detail the meaning of this photo to Sagan and what it says to him about man's place in the universe.

Essay Topic 3

Neptune is the most distant planet in the solar system.

1) Describe how Neptune was discovered.

2) Discuss and explain some of Neptune's distinguishing characteristics, including its warmth and Jupiter-like atmosphere.

3) Summarize Sagan's assessment of the planet an its importance in the field of space exploration. Why was it visited by the Voyager probes?

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