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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. In what way is Titan's cold atmosphere an advantage for the formation of life?
(a) It provides shields the moon from solar rays.
(b) It helps certain compounds form quickly.
(c) It protects its inner core from tidal forces.
(d) It causes molecules to stay on its surface.

2. Which of the following is NOT one of the ways that early planets may have been made incapable of bearing life?
(a) Being thrown into outer space.
(b) Being pushed into a distant orbit.
(c) Being heavily bombarded by meteors.
(d) Falling into the sun.

3. When was Venus first explored by a space probe?
(a) 1970.
(b) 1961.
(c) 1980.
(d) 1950.

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

5. How likely does Sagan think it is that the records on Voyager will eventually be found?
(a) It is unlikely.
(b) It is almost impossible.
(c) It is almost certain.
(d) It is reasonably likely.

Short Answer Questions

1. Sagan believes that Titan hosts oceans made of what compound?

2. How does Sagan characterize NASA?

3. Which of the following is NOT one of the missions that observed Venus using radar telescopes?

4. When probes enter the atmospheres of other planets, what color do they often see the sky to be?

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

(see the answer key)

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