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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, Is There Intelligent Life on Earth?, Chapter 6, The Triumph of Voyager.

Multiple Choice Questions

1. What is the major difference between space exploration and human exploration in the past?
(a) There is much more uncertainty in space.
(b) Humans cannot travel to the places they explore.
(c) It takes months or years to get to the destination.
(d) It is much less costly, in relative terms.

2. Which of the following is a major point opponents of space exploration raise?
(a) Space exploration exists for national prestige only.
(b) There is nothing of value anywhere else in the solar system.
(c) The problems on Earth should be solved first.
(d) No good has ever come of space exploration.

3. What does Sagan say that philosophy and religion should provide?
(a) Truth.
(b) Comfort.
(c) Kindness.
(d) Guidance.

4. What does the Geocentric theory state?
(a) The Earth moves in a perfect circle.
(b) The sun moves around the Earth.
(c) The planets and heavens are all fixed.
(d) The Earth is a flat disc.

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

Short Answer Questions

1. About how long does Sagan suggest that human beings have been "settled down"?

2. Sagan uses what term to describe a theology that requires God to intentionally mislead human scientists?

3. How does Sagan describe his reaction to the difficulties in detecting human life and intelligence on Earth from space?

4. When were the Voyager spacecraft launched?

5. Which planet was Voyager 2 intended to visit first?

(see the answer key)

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