View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 1, You Are Here, Chapter 2, Aberrations of Light.

Multiple Choice Questions

1. What planet represents the farthest distance from Earth that the Voyager craft were intended to function at?
(a) Uranus.
(b) Mars.
(c) Saturn
(d) Jupiter.

2. As of 1990, how many planets did the Voyager craft explore?
(a) Five.
(b) Two.
(c) Four.
(d) Three.

3. What is notable about pictures taken of the Earth from the moon?
(a) The Earth is always in a half-eclipse.
(b) There is no visible sign of mankind.
(c) No landmasses can be seen.
(d) The Earth appears completely dark.

4. In what century was the geocentric theory conclusively disproved?
(a) The 11th century.
(b) The 21st century.
(c) The 19th century.
(d) The 13th century.

5. What major component of the Voyager craft was threatened in Sagan's plan to take a distant picture of Earth?
(a) The spectral analyzer.
(b) The telemetry antenna.
(c) The vidicon system.
(d) The solar panel array.

Short Answer Questions

1. What other medium was used to express the desire to wander, according to Sagan, as human civilization developed?

2. What does Sagan claim is the key element of humanity's future?

3. What is notable about the Sun's light in Sagan's distant picture of the Earth?

4. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?

5. What concept does Sagan suggest that the image of the "pale blue dot" mocks?

(see the answer key)

This section contains 254 words (approx. 1 page at 300 words per page) View a FREE sample