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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 13, The Gift of Apollo, Chapter 14, Exploring Other Worlds and Protecting This One.

Multiple Choice Questions

1. What are the records on the Voyager craft engraved in?
(a) Lead.
(b) Gold.
(c) Platinum.
(d) Iron.

2. When was Neptune discovered?
(a) 1912.
(b) 1846.
(c) 1645.
(d) 1955.

3. What visual resolution would be required to determine the existence of intelligent life on Earth?
(a) 1,000 meters.
(b) 10 cm.
(c) 100 meters.
(d) 1 meter.

4. How old are the terrain features generated by Venus' volcanoes?
(a) 4 billion years.
(b) 2 billion years.
(c) 500 million years.
(d) 1 billion years.

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

Short Answer Questions

1. How does Sagan describe his reaction to the difficulties in detecting human life and intelligence on Earth from space?

2. Sagan helped to discover that Saturn provides what critical element to Titan?

3. In the analogy Sagan makes in Chapter 5 the reader is asked to imagine they are seeing Earth from what perspective?

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

5. What major change have humans made to the environment that would be easily detectable from space?

(see the answer key)

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