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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 15, The Gates of the Wonder World Open, Chapter 16, Scaling Heaven.

Multiple Choice Questions

1. What does Neptune's moon have less of compared to Titan?
(a) Potassium.
(b) Carbon.
(c) Iron.
(d) Ice.

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

3. How likely does Sagan think it is that the records on Voyager will eventually be found?
(a) It is unlikely.
(b) It is almost certain.
(c) It is almost impossible.
(d) It is reasonably likely.

4. Where does Neptune fall in the mission plan for the Voyager probes?
(a) They will pass by it only at an immense distance
(b) It is their final planetary destination.
(c) They will go into decaying orbit around it.
(d) They will return to the inner solar system after passing it.

5. The records on the Voyager craft are most like what type of information storage method?
(a) Braille.
(b) A telegraph code.
(c) A phonograph.
(d) Magnetic data storage.

Short Answer Questions

1. Where does Sagan think it is most likely that life will be found on Mars?

2. Sagan compares the human need for religion to what?

3. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?

4. What scientist is well-known for writing about the differences between species of animals?

5. What is Neptune's largest moon?

(see the answer key)

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