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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9, An American Ship at the Frontiers of the Solar System, Chapter 10, Sacred Black.

Multiple Choice Questions

1. What visual resolution would be required to determine that humans are related to the intelligence on Earth?
(a) 10 meters.
(b) 1 cm.
(c) 10 cm.
(d) 1 meter.

2. In the analogy Sagan makes in Chapter 5 the reader is asked to imagine they are seeing Earth from what perspective?
(a) From an immense distance.
(b) From a distorted frame of reference.
(c) For the first time.
(d) Very close up.

3. According to Sagan, which of the following was the most notable historical tool that humans used to explore the world?
(a) Roads.
(b) The Wheel.
(c) Ships.
(d) Compasses.

4. What was Neptune's position in the solar system as of the writing of this book?
(a) It's position was uncertain.
(b) It was the last known planet.
(c) It was last.
(d) It was third to last.

5. Which of the following is NOT one of the ways that early planets may have been made incapable of bearing life?
(a) Being pushed into a distant orbit.
(b) Being heavily bombarded by meteors.
(c) Falling into the sun.
(d) Being thrown into outer space.

Short Answer Questions

1. As of 1990, how many planets did the Voyager craft explore?

2. How much bigger is Neptune than Earth?

3. What criticism does Sagan make of NASA in Chapter 6, "The Triumph of Voyager"?

4. As of 1990, how many moons did the Voyager craft explore?

5. The "great demotions" are changes in thinking about the status of what?

(see the answer key)

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