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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 13, The Gift of Apollo, Chapter 14, Exploring Other Worlds and Protecting This One.

Multiple Choice Questions

1. Which of the following is NOT one of the missions that observed Venus using radar telescopes?
(a) Venera.
(b) Magellan.
(c) Vesta.
(d) Pioneer.

2. Kuiper discovered that Titan has what chemical vital to the development of life?
(a) Hexamine.
(b) Methane.
(c) Argon.
(d) Cytozine.

3. What is the most important thing that would immediately be apparent to any alien intelligence that found the Voyager probes?
(a) That the probes were intelligently designed.
(b) The location of Earth.
(c) The human DNA sequence.
(d) How to decode the records.

4. Uranus has an unusual field around it of what type?
(a) Gamma rays.
(b) Radiation.
(c) Photons.
(d) Magnetism.

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

Short Answer Questions

1. What means does Sagan suggest that humans use to represent and express their desire to wander?

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

3. Sagan suggests that ancient people did not think of the moon as which of the following?

4. As of 1990, how many planets did the Voyager craft explore?

5. What hazard threatened the Voyager craft in Sagan's plan to take a distant picture of Earth?

(see the answer key)

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