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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 concept does Sagan suggest that the image of the "pale blue dot" mocks?
(a) Technology.
(b) Human conceit.
(c) Individuality.
(d) Human achievement.

2. 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) An immense number are visible.
(d) They appear very close.

3. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?
(a) Ignorance.
(b) Industry.
(c) Insecurity.
(d) Creativity.

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

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

Short Answer Questions

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

2. In what century was the geocentric theory conclusively disproved?

3. How many planets were known to ancient people?

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

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

(see the answer key)

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