Pale Blue Dot: A Vision of the Human Future in Space Test | Final Test - Easy

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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Mars apparently once had what resource?
(a) Ice sheets.
(b) Liquid water.
(c) Organic compounds.
(d) Oceans of hydrocarbons.

2. What happens to the number of asteroids and comets in the solar system as time goes on?
(a) It diminishes.
(b) It increases.
(c) It remains about the same.
(d) Its change is unknown.

3. Sagan describes the "myth" that he believes should be created as centering around what?
(a) Encouragement.
(b) Discovery.
(c) Tolerance.
(d) Science.

4. At the time this book was written, how many Mars Observers had been flown successfully?
(a) One.
(b) None.
(c) Five.
(d) Three.

5. Sagan cautions that the beliefs he endorses could lead to an overabundance of what?
(a) Confidence.
(b) Technology.
(c) Population.
(d) Pride.

6. What type of government is Sagan most opposed to?
(a) Plutocracy.
(b) Fascism.
(c) Socialism.
(d) Theocracy.

7. What planet in the solar system obviously suffers from a severe greenhouse gas effect?
(a) Saturn.
(b) Mars.
(c) Venus.
(d) Jupiter.

8. What is the acronym for the project within SETI that Sagan worked on?
(a) TITAN.
(b) MEGA.
(c) ARGUS.
(d) SPACE.

9. Sagan says that the moon was once understood as a symbol of which of the following?
(a) Madness.
(b) Prosperity.
(c) The unattainable.
(d) Fertility.

10. Where was NASA's first SETI facility located?
(a) The Nevada salt flats.
(b) The Mojave desert.
(c) The Sierra Nevada mountain range.
(d) The Appalachian mountain range.

11. What does Sagan say the rings of Saturn composed of?
(a) Tiny ice worlds.
(b) Discs of stone.
(c) Chunks of destroyed planets.
(d) Frozen methane clouds.

12. What was the major result of the Cretaceous-Tertiary Collision?
(a) An ice age.
(b) Mass extinction.
(c) The destruction of most plant life on the Earth.
(d) Environmental shifts.

13. How old are the terrain features generated by Venus' volcanoes?
(a) 4 billion years.
(b) 1 billion years.
(c) 2 billion years.
(d) 500 million years.

14. When was Venus first explored by a space probe?
(a) 1980.
(b) 1950.
(c) 1961.
(d) 1970.

15. What is an astronomical unit?
(a) The radius of the solar system.
(b) The distance that light travels in one minute.
(c) The mean distance between stars.
(d) The distance from the sun to the Earth.

Short Answer Questions

1. What does Martian soil seem to contain?

2. What characteristic of the atmosphere of Venus was initially impossible to explain?

3. When does Sagan think that the human race will be "on its way"?

4. At the time this book was written, about how many asteroids were known to have paths that take them close to the Earth?

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

(see the answer keys)

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