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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9, An American Ship at the Frontiers of the Solar System, Chapter 10, Sacred Black.

Multiple Choice Questions

1. Where does Neptune fall in the mission plan for the Voyager probes?
(a) They will return to the inner solar system after passing it.
(b) It is their final planetary destination.
(c) They will go into decaying orbit around it.
(d) They will pass by it only at an immense distance

2. Who was the first to discover moons around another planet?
(a) Copernicus.
(b) Kepler.
(c) Galileo.
(d) Brahe.

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

4. At the time this book was written, how many planets were known to exist around other stars?
(a) About twenty.
(b) None.
(c) Ten.
(d) About fifty.

5. When was Neptune discovered?
(a) 1645.
(b) 1912.
(c) 1955.
(d) 1846.

Short Answer Questions

1. What fault does Sagan admit that science has?

2. According to Sagan, when viewed from space, how apparent would the existence of life on Earth be?

3. What does Sagan say is an easy way to visually identify planets?

4. According to Sagan, which of the following was the most notable historical tool that humans used to explore the world?

5. In the analogy Sagan makes in Chapter 5 the reader is asked to imagine they are seeing Earth from what perspective?

(see the answer key)

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