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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. Which of the following does Sagan NOT cite as evidence for the age of the universe?
(a) Radioactive dating.
(b) Telemetric spectrometry.
(c) Star evolution.
(d) Impact craters.

2. How does Sagan say that science relates to the existence of a divine being?
(a) Science does not require such a being.
(b) Science allows for divine beings and miraculous events.
(c) Science explicitly denies such a being can exist.
(d) Science disproves that divine beings can interact with the universe.

3. Which of the following is one of the "great demotions" that Sagan cites?
(a) There are planets orbiting other stars.
(b) The Earth is 6 billion years old.
(c) There may have been life on Mars.
(d) Light and magnetism are the same thing.

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

5. Sagan believes that Titan hosts oceans made of what compound?
(a) Saturated salts.
(b) Hydrocarbons.
(c) Water.
(d) Methane.

Short Answer Questions

1. How well does Sagan say his typical audience handles the practical details of a Mars mission?

2. How does Sagan describe his reaction to the difficulties in detecting human life and intelligence on Earth from space?

3. What material that humans have added to the environment would be easily detectable from space?

4. Sagan uses what term to describe a theology that requires God to intentionally mislead human scientists?

5. How fast was Voyager I moving in 1990?

(see the answer key)

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