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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. As of 1990, how many planets did the Voyager craft explore?
(a) Two.
(b) Four.
(c) Five.
(d) Three.

2. What other medium was used to express the desire to wander, according to Sagan, as human civilization developed?
(a) Religion.
(b) Ethics.
(c) Law.
(d) Technology.

3. Who helped Sagan calculate that Titan should be host to oceans?
(a) Dermott.
(b) Cassini.
(c) Kuiper.
(d) Mach.

4. Which of the following is NOT one of the major unknowns that Sagan says he will address in this book?
(a) Why humans should explore space.
(b) What humanity's future is.
(c) How humans can explore space.
(d) Whether or not there is intelligent life on nearby planets.

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

Short Answer Questions

1. What hazard threatened the Voyager craft in Sagan's plan to take a distant picture of Earth?

2. What is notable about pictures taken of the Earth from the moon?

3. Which planet was Voyager 2 intended to visit first?

4. What visual resolution would be required to determine that humans are related to the intelligence on Earth?

5. How old does Sagan state that "fundamentalist monotheists" believe the Earth to be?

(see the answer key)

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