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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 scientist is well-known for writing about the differences between species of animals?
(a) Dawkins.
(b) Hawking.
(c) Maxwell.
(d) Darwin.

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

3. When probes enter the atmospheres of other planets, what color do they often see the sky to be?
(a) Red.
(b) Yellow.
(c) Blue.
(d) Black.

4. When was Neptune discovered?
(a) 1912.
(b) 1645.
(c) 1846.
(d) 1955.

5. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?
(a) It is more inhabitable.
(b) It has more to teach.
(c) It is more like Earth.
(d) It has more resources.

Short Answer Questions

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

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

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

4. What does Sagan say is an easy way to visually identify planets?

5. What fault does Sagan admit that science has?

(see the answer key)

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