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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 17, Routine Interplanetary Violence, Chapter 18, The Marsh of Camarina.

Multiple Choice Questions

1. At the time of the writing of this book, what is the farthest planet that humans had reached through the use of exploratory probes?
(a) Uranus.
(b) Saturn.
(c) Neptune.
(d) Pluto.

2. How much bigger is Neptune than Earth?
(a) Four times.
(b) Two hundred times.
(c) Forty times.
(d) A hundred times.

3. Sagan suggests that the Apollo missions were primarily about what?
(a) Science.
(b) Technology.
(c) Military strategy.
(d) Politics.

4. What was the name of the mission that sent the first probes to Venus?
(a) Sojourner.
(b) Venera.
(c) Lyka.
(d) Oracle.

5. Sagan worries about how societies of what type would handle the technology that could stop Earth-bound asteroids?
(a) Progressive.
(b) Socialist.
(c) Totalitarian.
(d) Liberal.

Short Answer Questions

1. What does Neptune's moon have less of compared to Titan?

2. According to Sagan, how do early Earth and Titan compare?

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

4. What characteristic of the atmosphere of Venus was initially impossible to explain?

5. Titan has what distinction among the moons of the planet it orbits?

(see the answer key)

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