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This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. Titan orbits what planet?
2. What visual resolution would be required to determine that humans are related to the intelligence on Earth?
(a) 10 cm.
(b) 1 meter.
(c) 1 cm.
(d) 10 meters.
3. What was the state of the knowledge and belief about life on other planets at the time the book was written?
(a) It was believed there was abundant life on Mars.
(b) Most believed life on other planets was impossible.
(c) No signs of life were known to exist.
(d) Scientists expected to find life on most of the planets and moons.
4. Sagan describes humans as which of the following, with respect to their arrival in the universe?
(a) Early adopters.
(b) Slow movers.
(c) Middling achievers.
(d) Extreme latecomers.
5. How does Sagan say that science relates to the existence of a divine being?
(a) Science explicitly denies such a being can exist.
(b) Science disproves that divine beings can interact with the universe.
(c) Science allows for divine beings and miraculous events.
(d) Science does not require such a being.
6. Which of the following is NOT one of the major unknowns that Sagan says he will address in this book?
(a) How humans can explore space.
(b) Whether or not there is intelligent life on nearby planets.
(c) Why humans should explore space.
(d) What humanity's future is.
7. Sagan expects both Voyager spacecrafts to continue to broadcast data through what year?
8. How much bigger is Neptune than Earth?
(a) Forty times.
(b) A hundred times.
(c) Two hundred times.
(d) Four times.
9. Titan has what distinction among the moons of the planet it orbits?
(a) It is the only moon with ice water.
(b) It has the widest orbit.
(c) It is the only spherical moon.
(d) It is the largest moon.
10. According to Sagan, how do early Earth and Titan compare?
(a) They are similar.
(b) They are almost exactly the same.
(c) They are totally different.
(d) They are only vaguely related.
11. Sagan helped to discover that Saturn provides what critical element to Titan?
(c) A magnetosphere.
(d) Tidal forces.
12. Einstein's work undermined what concept?
(a) That the Sun is unique.
(b) That our frame of motion is stationary.
(c) That humans can travel to distant stars.
(d) That light is the fastest thing in the universe.
13. When were the Voyager spacecraft launched?
14. What other medium was used to express the desire to wander, according to Sagan, as human civilization developed?
15. What unusual source of energy do the Voyager spacecraft take advantage of?
(a) Planetary gravity.
(b) Vacuum energy.
(c) Cosmic rays.
(d) Solar wind.
Short Answer Questions
1. What concept does Sagan suggest that the image of the "pale blue dot" mocks?
2. What did Galileo demonstrate?
3. What are the records on the Voyager craft engraved in?
4. What strange motion do all of the stars in the sky exhibit?
5. Where does Neptune fall in the mission plan for the Voyager probes?
This section contains 540 words
(approx. 2 pages at 300 words per page)