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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. What element does Sagan say motivated the space programs of the 60s and 70s?
(a) Curiosity.
(b) Nationalism.
(c) Scientific endeavor.
(d) Brinksmanship.

2. What material that humans have added to the environment would be easily detectable from space?
(a) Plastics.
(b) Methane.
(c) Chlorofluorocarbons.
(d) Carbon dioxide.

3. As of the writing of this book, how many moons was Uranus known to have?
(a) Seven.
(b) Twelve.
(c) Ten.
(d) Five.

4. At the time this book was written, about how many asteroids were known to have paths that take them close to the Earth?
(a) 1000.
(b) 500.
(c) 2000.
(d) 200.

5. What is the major difference between space exploration and human exploration in the past?
(a) It takes months or years to get to the destination.
(b) It is much less costly, in relative terms.
(c) Humans cannot travel to the places they explore.
(d) There is much more uncertainty in space.

Short Answer Questions

1. How does Sagan say that science relates to the existence of a divine being?

2. What does Martian soil seem to contain?

3. What major change have humans made to the environment that would be easily detectable from space?

4. What was the name of the second mission that sent probes into the atmosphere of Venus?

5. Sagan suggest that modern religious thinking treats scientific evidence in what way?

(see the answer key)

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