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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7, Among the Moons of Saturn, Chapter 8, The First New Planet.

Multiple Choice Questions

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

2. Einstein's work undermined what concept?
(a) That our frame of motion is stationary.
(b) That the Sun is unique.
(c) That light is the fastest thing in the universe.
(d) That humans can travel to distant stars.

3. Besides the Voyager spacecraft, what does Sagan cite as a major triumph by NASA?
(a) The moon landings.
(b) The Hubble Telescope.
(c) The Mars rovers.
(d) The Gemini project.

4. What is notable about the stars in Sagan's distant picture of the Earth?
(a) An immense number are visible.
(b) They have many different colors.
(c) Very few are visible.
(d) They appear very close.

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

Short Answer Questions

1. What type of waves could be analyzed to demonstrate that there is intelligent life on Earth?

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

3. In what way is Titan's cold atmosphere an advantage for the formation of life?

4. What space probe was an important part of Sagan's career, and passed by a major planet in 1976?

5. According to Sagan, how do early Earth and Titan compare?

(see the answer key)

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