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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 17, Routine Interplanetary Violence, Chapter 18, The Marsh of Camarina.

Multiple Choice Questions

1. William Herschel, the discoverer of Uranus, had what unusual profession?
(a) Musician.
(b) Poet.
(c) Actor.
(d) Magician.

2. At the time this book was written, how many Mars Observers had been flown successfully?
(a) None.
(b) Five.
(c) Three.
(d) One.

3. Which other nation besides the United States led the way in space exploration?
(a) China.
(b) The Soviet Union.
(c) France.
(d) Japan.

4. What visual resolution would be required to determine the existence of intelligent life on Earth?
(a) 10 cm.
(b) 1 meter.
(c) 100 meters.
(d) 1,000 meters.

5. Sagan expects both Voyager spacecrafts to continue to broadcast data through what year?
(a) 2015.
(b) 2050.
(c) 2010.
(d) 2030.

Short Answer Questions

1. What was the name of the mission that sent the first probes to Venus?

2. What planet is the "evening star"?

3. What scientist is credited with making the first discoveries that caused problems for the geocentric theory?

4. How much bigger is Neptune than Earth?

5. What is the primary way that humans add carbon dioxide to the atmosphere?

(see the answer key)

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