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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. When does Sagan think that the human race will be "on its way"?
(a) When we begin living in space.
(b) When we make contact with another intelligent species.
(c) When we reach another star.
(d) When we begin colonizing other planets.

2. What planet is the "evening star"?
(a) Venus.
(b) Saturn.
(c) Mercury.
(d) Mars.

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

4. Which planet was Voyager 2 intended to visit first?
(a) Mars.
(b) Venus.
(c) Mercury.
(d) Jupiter.

5. Where does Sagan think it is most likely that life will be found on Mars?
(a) On the surface.
(b) In salt caverns.
(c) In the ice at the poles.
(d) In the subsurface rock.

Short Answer Questions

1. What abstract concept does Sagan specifically say he is optimistic about?

2. What space probe was an important part of Sagan's career, and passed by a major planet in 1976?

3. Why do some suggest capturing asteroids in Earth orbit?

4. What role does Sagan suggest that religion has played in the development of science?

5. What scientist is well-known for writing about the differences between species of animals?

(see the answer key)

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