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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.
Multiple Choice Questions
1. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?
(a) It is more like Earth.
(b) It has more to teach.
(c) It is more inhabitable.
(d) It has more resources.
2. Sagan says that the dark matter that surrounds the Milky Way galaxy takes what shape?
(a) A column.
(b) A sphere.
(c) A halo.
(d) A disk.
3. What characteristic of the atmosphere of Venus was initially impossible to explain?
(a) Its dark spots.
(b) Its composition.
(c) Its heat.
(d) Its high winds.
4. What types of information does SETI analyze?
(a) Gravitational waves.
(b) Cosmic rays.
(c) Magnetic waves.
(d) Radio waves.
5. According to the plans Sagan discussed, how would nuclear weapons typically be used to stop an asteroid from colliding with the Earth?
(a) By destroying it completely.
(b) By pushing it off-course.
(c) By splitting it in two.
(d) By reversing its orbit.
Short Answer Questions
1. What element does Sagan say motivated the space programs of the 60s and 70s?
2. What is the primary distinguishing feature that SETI looks for to identify a communication from an intelligent source?
3. How are chunks of Martian rock studied on Earth?
4. What happens to the number of asteroids and comets in the solar system as time goes on?
5. It is believed that some of Saturn's rings may eventually form into what?
Short Essay Questions
1. What is unusual about the ring systems of the planets in our solar system?
2. What would the process of "terraforming" on Mars be like?
3. What does Sagan believe would be necessary for the safety of the human race to be secured?
4. What is unusual about the surface of Venus?
5. What does Sagan say that it is probably the fate of humanity to "live in the dark"?
6. What resources does Sagan believe that carbon asteroids have that make them suitable for human habitation?
7. How does Sagan believe that humanity will progress in the next hundred or so generations?
8. What major environmental catastrophes does Sagan warn against in Chapter 14, "Exploring Other Worlds and Protecting One"?
9. How could planetary tides pull a small planet apart?
10. How well can an asteroid's path be calculated?
This section contains 733 words
(approx. 3 pages at 300 words per page)