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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9, An American Ship at the Frontiers of the Solar System, Chapter 10, Sacred Black.

Multiple Choice Questions

1. About how long does Sagan suggest that human beings have been "settled down"?
(a) 50,000 years.
(b) 100,000 years.
(c) 10,000 years.
(d) 1,000 years.

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

3. What does Sagan claim is the key element of humanity's future?
(a) Distant worlds.
(b) Deep space travel.
(c) Terraforming.
(d) Faster than light travel.

4. Sagan helped to discover that Saturn provides what critical element to Titan?
(a) Hydrogen.
(b) Energy.
(c) A magnetosphere.
(d) Tidal forces.

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

Short Answer Questions

1. Uranus has an unusual field around it of what type?

2. What is the most important thing that would immediately be apparent to any alien intelligence that found the Voyager probes?

3. What did ancient people notice about planets that set them apart from the stars?

4. Besides the Voyager spacecraft, what does Sagan cite as a major triumph by NASA?

5. The Anthropic Principle is divided into two theories that are termed what?

(see the answer key)

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