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

2. When does Sagan think that the human race will be "on its way"?
(a) When we reach another star.
(b) When we begin colonizing other planets.
(c) When we make contact with another intelligent species.
(d) When we begin living in space.

3. 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.

4. It is believed that some of Saturn's rings may eventually form into what?
(a) Asteroids.
(b) Moons.
(c) Meteors.
(d) Comets.

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

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

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

8. Sagan suggests that the Apollo missions were primarily about what?
(a) Politics.
(b) Military strategy.
(c) Science.
(d) Technology.

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

10. At the time this book was written, about how many asteroids were known to have paths that take them close to the Earth?
(a) 1000.
(b) 500.
(c) 200.
(d) 2000.

11. What moon was found to have volcanoes?
(a) Terpsichore.
(b) Europa.
(c) Io.
(d) Persephone.

12. What fuel source might be viable within asteroids?
(a) Bacteria byproducts.
(b) Organic solids.
(c) Hexane.
(d) Methane.

13. What does Martian soil seem to contain?
(a) Organic material.
(b) Oil.
(c) Methane.
(d) Ice.

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

15. What is the main component of the atmosphere of Venus?
(a) Phosphate.
(b) Quicklime gas.
(c) Hydrogen.
(d) Sulfuric acid.

Short Answer Questions

1. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?

2. When was Venus first explored by a space probe?

3. According to the plans Sagan discussed, how would nuclear weapons typically be used to stop an asteroid from colliding with the Earth?

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

5. What is the farthest orbital location that humans have ventured to since the last time men went to the moon?

(see the answer keys)

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