|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. How far out does the solar corona die out?
(a) 70 AU.
(b) 5 AU.
(c) 550 AU.
(d) 1200 AU.
2. About how large a percentage of the mass of the total universe does dark matter make up?
(a) Sixty percent.
(b) Ninety percent.
(c) Five percent.
(d) Thirty percent.
3. It is believed that some of Saturn's rings may eventually form into what?
4. Sagan suggests that humans could live and thrive around what unusual type of star?
(a) Nova nuclei.
(b) Brown dwarfs.
(d) White dwarfs.
5. What is the primary way that humans add carbon dioxide to the atmosphere?
(a) Drilling for natural gas and oil.
(b) Heavy industry byproducts.
(c) Burning fossil fuels.
(d) Carburetor emissions.
6. At the time this book was written, about how many asteroids were known to have paths that take them close to the Earth?
7. Sagan describes the "myth" that he believes should be created as centering around what?
8. What does Martian soil seem to contain?
(c) Organic material.
9. What country does Sagan believe is best suited for undertaking a terraforming effort?
(c) The United States.
(d) The European Union.
10. At the time this book was written, how many Mars Observers had been flown successfully?
11. When did the belief that Venus was a "sister planet" to Earth become dispelled?
(a) The mid nineteenth century.
(b) The mid twentieth century.
(c) The early twentieth century.
(d) The late nineteenth century.
12. Sagan worries about how societies of what type would handle the technology that could stop Earth-bound asteroids?
13. The primary discipline that Sagan argues nations benefit from by investing in space exploration is called which of the following?
(a) Planetary science.
(b) Gestalt geosurveying.
(c) Atmospheric metrics.
(d) Interstellar surveying.
14. 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.
15. What is the shape of the galaxy closest to the Milky Way?
Short Answer Questions
1. When does Sagan think that the human race will be "on its way"?
2. Which of the following characteristics of Venus is LEAST similar to Earth's?
3. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?
4. What is the farthest orbital location that humans have ventured to since the last time men went to the moon?
5. What is the primary distinguishing feature that SETI looks for to identify a communication from an intelligent source?
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