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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. What strange motion do all of the stars in the sky exhibit?
(a) They tend to move towards each other.
(b) They appear to drift towards the Earth.
(c) They move in identical tiny ellipses.
(d) They change directions randomly.

2. What is notable about pictures taken of the Earth from the moon?
(a) There is no visible sign of mankind.
(b) The Earth appears completely dark.
(c) No landmasses can be seen.
(d) The Earth is always in a half-eclipse.

3. As of 1990, how many planets did the Voyager craft explore?
(a) Four.
(b) Three.
(c) Two.
(d) Five.

4. What is notable about the stars in Sagan's distant picture of the Earth?
(a) They have many different colors.
(b) Very few are visible.
(c) They appear very close.
(d) An immense number are visible.

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

Short Answer Questions

1. Sagan suggests that throughout history, many have claimed that our species is what?

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

3. What planet represents the farthest distance from Earth that the Voyager craft were intended to function at?

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

5. Sagan suggests that the image of the "pale blue dot" teaches the need for what?

(see the answer key)

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