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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. Einstein's work undermined what concept?
(a) That humans can travel to distant stars.
(b) That the Sun is unique.
(c) That light is the fastest thing in the universe.
(d) That our frame of motion is stationary.

2. Titan orbits what planet?
(a) Jupiter.
(b) Saturn.
(c) Uranus.
(d) Neptune.

3. Sagan compares the human need for religion to what?
(a) A man's need for water.
(b) A blind person's need for a cane.
(c) An injured person's need for aid.
(d) An infant's need for a parent.

4. How much bigger is Neptune than Earth?
(a) Two hundred times.
(b) Forty times.
(c) A hundred times.
(d) Four times.

5. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?
(a) It has more resources.
(b) It is more inhabitable.
(c) It is more like Earth.
(d) It has more to teach.

Short Answer Questions

1. Which of the following is NOT one of the ways that Sagan says life seems to be?

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

3. Mars apparently once had what resource?

4. How many planets were known to ancient people?

5. What visual resolution would be required to determine that humans are related to the intelligence on Earth?

(see the answer key)

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