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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 13, The Gift of Apollo, Chapter 14, Exploring Other Worlds and Protecting This One.

Multiple Choice Questions

1. What scientist is credited with making the first discoveries that caused problems for the geocentric theory?
(a) Copernicus.
(b) Kelper.
(c) Ptolemy.
(d) Galileo.

2. Sagan suggests that the image of the "pale blue dot" teaches the need for what?
(a) Peace.
(b) Science education.
(c) Space exploration.
(d) Kindness.

3. What criticism does Sagan make of NASA in Chapter 6, "The Triumph of Voyager"?
(a) It is essentially incompetent.
(b) It has made many engineering mistakes.
(c) It cannot correct its mistakes.
(d) It is unconcerned with human safety in spaceflight.

4. What planet represents the farthest distance from Earth that the Voyager craft were intended to function at?
(a) Uranus.
(b) Jupiter.
(c) Saturn
(d) Mars.

5. What are the records on the Voyager craft engraved in?
(a) Gold.
(b) Lead.
(c) Platinum.
(d) Iron.

Short Answer Questions

1. As of 1990, how many planets did the Voyager craft explore?

2. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?

3. CFCs are chemicals that is primarily hazardous to the environment in what area?

4. How much bigger is Neptune than Earth?

5. What planet did Sagan spend a great deal of time studying when an important space probe passed near it in 1976?

(see the answer key)

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