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

2. How well does Sagan say his typical audience handles the practical details of a Mars mission?
(a) They are well-connected and able to deal with the details.
(b) They are uninterested in the details.
(c) They are hopelessly incapable of dealing with them.
(d) They are meticulous thinkers on the subject.

3. Which of the following is NOT a major resource on Mars that makes it viable for "terraforming"?
(a) Water.
(b) Calcium deposits.
(c) Sunlight.
(d) Carbon dioxide.

4. What did Steven Hawking worry about with regard to black holes?
(a) That there were varied types of them.
(b) That they were growing larger with time.
(c) That they could tear space-time.
(d) That they could migrate into the solar system.

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

6. Which of the following planets is NOT known to have a ring system?
(a) Saturn.
(b) Jupiter.
(c) Uranus.
(d) Venus.

7. How are chunks of Martian rock studied on Earth?
(a) They fall to the Earth.
(b) They are returned by two-way probes.
(c) They are simulated with moon rocks.
(d) They are captured in space.

8. 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.

9. What was the name of the second mission that sent probes into the atmosphere of Venus?
(a) Hubble.
(b) Kepler.
(c) Brahe.
(d) Mariner.

10. What does Sagan believe about weapons of mass destruction?
(a) They must never used in anger.
(b) They must be destroyed.
(c) They are a necessary evil.
(d) They should be tightly controlled.

11. How does Sagan characterize most of the benefits gleaned from the space programs of the 60s and 70s?
(a) They were unexpected.
(b) They were underestimated.
(c) They were intangible.
(d) They were relatively unimportant.

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

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

14. What is the primary distinguishing feature that SETI looks for to identify a communication from an intelligent source?
(a) Design parameters.
(b) Mathematical constants.
(c) Repetition.
(d) Prime Numbers.

15. What element does Sagan say motivated the space programs of the 60s and 70s?
(a) Scientific endeavor.
(b) Brinksmanship.
(c) Curiosity.
(d) Nationalism.

Short Answer Questions

1. What was the major result of the Cretaceous-Tertiary Collision?

2. According to Sagan, what was the major advantage of the attitude of the government towards the Apollo project?

3. Sagan cautions that the beliefs he endorses could lead to an overabundance of what?

4. According to Sagan, how profitable is it for a nation to invest in space exploration?

5. Which of the following is one of the moons of Mars?

(see the answer keys)

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