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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. Sagan believes that Titan hosts oceans made of what compound?
(a) Water.
(b) Saturated salts.
(c) Methane.
(d) Hydrocarbons.

2. What does Martian soil seem to contain?
(a) Organic material.
(b) Oil.
(c) Ice.
(d) Methane.

3. What material that humans have added to the environment would be easily detectable from space?
(a) Chlorofluorocarbons.
(b) Carbon dioxide.
(c) Methane.
(d) Plastics.

4. As of the writing of this book, how many moons was Uranus known to have?
(a) Five.
(b) Ten.
(c) Seven.
(d) Twelve.

5. According to Sagan, how profitable is it for a nation to invest in space exploration?
(a) It has great benefits in a limited scope.
(b) It is not related to a nation's welfare.
(c) It is highly profitable.
(d) It has high costs.

Short Answer Questions

1. Sagan says that the moon was once understood as a symbol of which of the following?

2. What are the records on the Voyager craft engraved in?

3. How does Sagan characterize most of the benefits gleaned from the space programs of the 60s and 70s?

4. In Chapter 5 Sagan asks the reader to imagine that they are which of the following?

5. What is notable about the Sun's light in Sagan's distant picture of the Earth?

(see the answer key)

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