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

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

Multiple Choice Questions

1. What is the constituent particle of light?
(a) The photon.
(b) The electron.
(c) The neutrino.
(d) The neutron.

2. Sagan suggest that modern religious thinking treats scientific evidence in what way?
(a) It makes no statements about the evidence.
(b) It intrudes on the evidence.
(c) It is cautious about the evidence.
(d) It blatantly disregards the evidence.

3. The "great demotions" are changes in thinking about the status of what?
(a) The body of human scientific work.
(b) The age of the Earth.
(c) The dominance of religion.
(d) The place of humanity in the universe.

4. What role does Sagan suggest that religion has played in the development of science?
(a) Religiously-minded individuals often become scientists.
(b) Science progressed in spite of religion.
(c) Religion has aided science in significant ways.
(d) Religion informs and guides scientific development.

5. How likely does Sagan think it is that the records on Voyager will eventually be found?
(a) It is almost certain.
(b) It is reasonably likely.
(c) It is almost impossible.
(d) It is unlikely.

6. What visual resolution would be required to determine that humans are related to the intelligence on Earth?
(a) 1 cm.
(b) 1 meter.
(c) 10 cm.
(d) 10 meters.

7. Sagan uses what term to describe a theology that requires God to intentionally mislead human scientists?
(a) Unsupportable.
(b) Dogmatic.
(c) Typical.
(d) Malevolent.

8. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?
(a) Insecurity.
(b) Ignorance.
(c) Industry.
(d) Creativity.

9. What astronomical discovery did Galileo make that significantly damaged the geocentric theory?
(a) Jupiter has its own moons.
(b) Planets move in ellipses.
(c) Gravity moves the planets.
(d) Stars are stationary relative to the Earth.

10. What does Sagan say is an easy way to visually identify planets?
(a) The color of their atmospheres.
(b) Their size.
(c) Their brightness.
(d) Their movements.

11. What innovation was crucial in discovering Titan?
(a) The telescope.
(b) The chemical rocket engine.
(c) Newton's laws of motion.
(d) The theory of general relativity.

12. What fault does Sagan admit that science has?
(a) It fails to uplift human spirits.
(b) It is always inaccurate.
(c) It can only develop theories, not laws.
(d) It is marred by human perception and arrogance.

13. What concept does Sagan suggest that the image of the "pale blue dot" mocks?
(a) Individuality.
(b) Technology.
(c) Human conceit.
(d) Human achievement.

14. What punishment did Galileo suffer as a result of his works?
(a) He was beheaded.
(b) He was put under permanent house arrest.
(c) He was imprisoned for life.
(d) He was burned at the stake.

15. What is unusual about Uranus's orientation?
(a) It is the only planet that lies perfectly in the ecliptic.
(b) It is laid on its side.
(c) It wobbles constantly.
(d) It shifts from time to time.

Short Answer Questions

1. Who helped Sagan calculate that Titan should be host to oceans?

2. Sagan says that which of the following is the most immediately obvious thing about the Earth?

3. As of 1990, how many moons did the Voyager craft explore?

4. What was the state of the knowledge and belief about life on other planets at the time the book was written?

5. Einstein's work undermined what concept?

(see the answer keys)

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