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 worries about how societies of what type would handle the technology that could stop Earth-bound asteroids?
(a) Liberal.
(b) Socialist.
(c) Progressive.
(d) Totalitarian.

2. What is the shape of the galaxy closest to the Milky Way?
(a) Spiral.
(b) Cluster.
(c) Globular.
(d) Disc.

3. The primary discipline that Sagan argues nations benefit from by investing in space exploration is called which of the following?
(a) Gestalt geosurveying.
(b) Planetary science.
(c) Interstellar surveying.
(d) Atmospheric metrics.

4. What type of Mars mission did President Reagan turn down?
(a) A joint mission with the Soviets.
(b) A manned orbital mission.
(c) A one-way colonization mission.
(d) A robotic colony-building mission.

5. When did the belief that Venus was a "sister planet" to Earth become dispelled?
(a) The mid twentieth century.
(b) The mid nineteenth century.
(c) The early twentieth century.
(d) The late nineteenth century.

6. Sagan suggests that ancient people did not think of the moon as which of the following?
(a) As moving.
(b) As a place.
(c) As having an opposite side.
(d) As a real object.

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

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

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

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

11. What was the name of the mission that sent the first probes to Venus?
(a) Oracle.
(b) Lyka.
(c) Venera.
(d) Sojourner.

12. About how large a percentage of the mass of the total universe does dark matter make up?
(a) Sixty percent.
(b) Thirty percent.
(c) Five percent.
(d) Ninety percent.

13. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?
(a) Asteroid landings.
(b) Extra-planetary manned missions.
(c) Spacewalks.
(d) Meteor landings.

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

15. Sagan suggests that humans could live and thrive around what unusual type of star?
(a) Brown dwarfs.
(b) Pulsars.
(c) White dwarfs.
(d) Nova nuclei.

Short Answer Questions

1. What type of asteroids does Sagan suggest that men might be able to live inside of?

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

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

4. Sagan suggests that the Apollo missions were primarily about what?

5. What types of information does SETI analyze?

(see the answer keys)

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