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 does Sagan suggest that cavemen were usually looking for when they wandered?
(a) Food.
(b) Mates.
(c) Shelter.
(d) New territory.

2. Sagan suggests that the image of the "pale blue dot" teaches the need for what?
(a) Kindness.
(b) Space exploration.
(c) Peace.
(d) Science education.

3. Which planet was Voyager 2 intended to visit first?
(a) Jupiter.
(b) Mars.
(c) Mercury.
(d) Venus.

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

5. What other medium was used to express the desire to wander, according to Sagan, as human civilization developed?
(a) Religion.
(b) Technology.
(c) Ethics.
(d) Law.

6. How old does Sagan state that "fundamentalist monotheists" believe the Earth to be?
(a) 300,000 years old.
(b) 1 million years old.
(c) 6,000 years old.
(d) 10,000 years old.

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

8. What scientist is credited with making the first discoveries that caused problems for the geocentric theory?
(a) Galileo.
(b) Copernicus.
(c) Kelper.
(d) Ptolemy.

9. Kuiper discovered that Titan has what chemical vital to the development of life?
(a) Cytozine.
(b) Methane.
(c) Hexamine.
(d) Argon.

10. As of 1990, how many moons did the Voyager craft explore?
(a) Six.
(b) Sixty.
(c) Thirty.
(d) Ten.

11. What planet did Sagan spend a great deal of time studying when an important space probe passed near it in 1976?
(a) Mercury.
(b) Mars.
(c) Venus.
(d) Saturn.

12. Where does Neptune fall in the mission plan for the Voyager probes?
(a) They will return to the inner solar system after passing it.
(b) They will pass by it only at an immense distance
(c) They will go into decaying orbit around it.
(d) It is their final planetary destination.

13. What scientist is well-known for writing about the differences between species of animals?
(a) Darwin.
(b) Dawkins.
(c) Hawking.
(d) Maxwell.

14. How does Sagan characterize NASA?
(a) As a faceless and dispassionate monolith.
(b) As an aging bureaucracy.
(c) As part of the military-industrial complex.
(d) As a ship without a tiller or rudder.

15. What is the most important thing that would immediately be apparent to any alien intelligence that found the Voyager probes?
(a) How to decode the records.
(b) The location of Earth.
(c) That the probes were intelligently designed.
(d) The human DNA sequence.

Short Answer Questions

1. What unusual source of energy do the Voyager spacecraft take advantage of?

2. At the time this book was written, how many planets were known to exist around other stars?

3. What fault does Sagan admit that science has?

4. What punishment did Galileo suffer as a result of his works?

5. Which of the following is NOT one of the major unknowns that Sagan says he will address in this book?

(see the answer keys)

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