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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 major component of the Voyager craft was threatened in Sagan's plan to take a distant picture of Earth?
(a) The telemetry antenna.
(b) The solar panel array.
(c) The vidicon system.
(d) The spectral analyzer.

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

3. What space probe was an important part of Sagan's career, and passed by a major planet in 1976?
(a) Tesla.
(b) Ion.
(c) Viking.
(d) Newton.

4. In what century was the geocentric theory conclusively disproved?
(a) The 11th century.
(b) The 13th century.
(c) The 19th century.
(d) The 21st century.

5. How fast was Voyager I moving in 1990?
(a) 40,000 mph.
(b) 500 mph.
(c) 1,000 mph.
(d) 10,000 mph.

Short Answer Questions

1. What means does Sagan suggest that humans use to represent and express their desire to wander?

2. Which of the following is NOT one of the major unknowns that Sagan says he will address in this book?

3. What astronomical discovery did Galileo make that significantly damaged the geocentric theory?

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

5. What is the major difference between space exploration and human exploration in the past?

(see the answer key)

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