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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 21, To The Sky!, Chapter 22, Tiptoeing Through the Milky Way.

Multiple Choice Questions

1. What does Sagan say the rings of Saturn composed of?
(a) Frozen methane clouds.
(b) Chunks of destroyed planets.
(c) Discs of stone.
(d) Tiny ice worlds.

2. Which other nation besides the United States led the way in space exploration?
(a) China.
(b) The Soviet Union.
(c) Japan.
(d) France.

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

4. About how many channels does SETI search for signs of extraterrestrial communication on?
(a) Thousands.
(b) Millions.
(c) One hundred.
(d) A few hundred.

5. What concept does Sagan suggest that the image of the "pale blue dot" mocks?
(a) Individuality.
(b) Human conceit.
(c) Technology.
(d) Human achievement.

Short Answer Questions

1. What planet is the "evening star"?

2. Sagan expects both Voyager spacecrafts to continue to broadcast data through what year?

3. Where does Sagan think that life will most likely be eventually found?

4. How much bigger is Neptune than Earth?

5. At the time this book was written, how many Mars Observers had been flown successfully?

(see the answer key)

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