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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. Sagan says that which of the following is the most immediately obvious thing about the Earth?
(a) Its meteorological features.
(b) Its geological features.
(c) The existence of intelligent life.
(d) The existence of life.

2. The "great demotions" are changes in thinking about the status of what?
(a) The dominance of religion.
(b) The body of human scientific work.
(c) The age of the Earth.
(d) The place of humanity in the universe.

3. When were the Voyager spacecraft launched?
(a) 1982.
(b) 1972.
(c) 1969.
(d) 1977.

4. Sagan helped to discover that Saturn provides what critical element to Titan?
(a) Tidal forces.
(b) Hydrogen.
(c) Energy.
(d) A magnetosphere.

5. Sagan expects both Voyager spacecrafts to continue to broadcast data through what year?
(a) 2010.
(b) 2030.
(c) 2050.
(d) 2015.

Short Answer Questions

1. What type of waves could be analyzed to demonstrate that there is intelligent life on Earth?

2. What is the most important thing that would immediately be apparent to any alien intelligence that found the Voyager probes?

3. How does Sagan say that science relates to the existence of a divine being?

4. What is the constituent particle of light?

5. Who helped Sagan calculate that Titan should be host to oceans?

(see the answer key)

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