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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 21, To The Sky!, Chapter 22, Tiptoeing Through the Milky Way.

Multiple Choice Questions

1. What was the name of the second mission that sent probes into the atmosphere of Venus?
(a) Kepler.
(b) Brahe.
(c) Mariner.
(d) Hubble.

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

3. Which of the following characteristics of Venus is LEAST similar to Earth's?
(a) Orbit.
(b) Size.
(c) Gravitation.
(d) Mass.

4. The Anthropic Principle is divided into two theories that are termed what?
(a) Greater and lesser.
(b) Old and new.
(c) Orthodox and reformed.
(d) Strong and weak.

5. Conditions of what type were extremely important in the creation of early life on Earth?
(a) Atmospheric.
(b) Littoral.
(c) Geological.
(d) Aquatic.

Short Answer Questions

1. Which of the following is NOT one of the ways that Sagan says life seems to be?

2. How likely does Sagan think it is that the records on Voyager will eventually be found?

3. When was Venus first explored by a space probe?

4. What form do the materials that planets emerge from take before they coalesce into proto-planets?

5. What does Sagan say is an easy way to visually identify planets?

(see the answer key)

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