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. What country does Sagan believe is best suited for undertaking a terraforming effort?
(a) China.
(b) The European Union.
(c) The United States.
(d) Japan.

2. Which of the following is one of the moons of Mars?
(a) Orpheus.
(b) Phobos.
(c) Gilgamesh.
(d) Hecuba.

3. Which of the following is NOT one of the missions that observed Venus using radar telescopes?
(a) Venera.
(b) Vesta.
(c) Magellan.
(d) Pioneer.

4. What is the primary way that humans add carbon dioxide to the atmosphere?
(a) Carburetor emissions.
(b) Burning fossil fuels.
(c) Heavy industry byproducts.
(d) Drilling for natural gas and oil.

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

6. According to Sagan, how profitable is it for a nation to invest in space exploration?
(a) It is highly profitable.
(b) It has great benefits in a limited scope.
(c) It has high costs.
(d) It is not related to a nation's welfare.

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

8. Sagan discusses in detail a theory that Saturn's rings are caused by what effect?
(a) Cosmic perturbation.
(b) Planetary tides.
(c) Gravity waves.
(d) Ether condensation.

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

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

11. 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.

12. 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 underestimated.
(c) They were unexpected.
(d) They were relatively unimportant.

13. The atmosphere of Venus would best be described as which of the following?
(a) Light.
(b) Cold.
(c) Deep.
(d) Thick.

14. Sagan estimates that intelligent life might arise on average in one out of how many stars?
(a) One billion.
(b) Ten thousand.
(c) One million.
(d) One trillion.

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

Short Answer Questions

1. At the time this book was written, how many Mars Observers had been flown successfully?

2. Where was NASA's first SETI facility located?

3. What does Martian soil seem to contain?

4. When did NASA's SETI program go online?

5. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?

(see the answer keys)

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