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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 1, You Are Here, Chapter 2, Aberrations of Light.

Multiple Choice Questions

1. At the time of the writing of this book, what is the farthest planet that humans had reached through the use of exploratory probes?
(a) Uranus.
(b) Pluto.
(c) Saturn.
(d) Neptune.

2. What is notable about the Sun's light in Sagan's distant picture of the Earth?
(a) It creates a halo around the Earth.
(b) It appears as many distinct shafts of light.
(c) It appears to bathe the Earth in light.
(d) It is extremely dim.

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

4. What does Sagan suggest that cavemen were usually looking for when they wandered?
(a) Food.
(b) Shelter.
(c) New territory.
(d) Mates.

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

Short Answer Questions

1. What does Sagan claim is the key element of humanity's future?

2. What punishment did Galileo suffer as a result of his works?

3. What concept does Sagan suggest that the image of the "pale blue dot" mocks?

4. What does the Geocentric theory state?

5. What space probe was an important part of Sagan's career, and passed by a major planet in 1976?

(see the answer key)

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