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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 11, Evening and Morning Star, Chapter 12, The Ground Melts.

Multiple Choice Questions

1. When was Venus first explored by a space probe?
(a) 1970.
(b) 1950.
(c) 1961.
(d) 1980.

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

3. What was the name of the mission that sent the first probes to Venus?
(a) Venera.
(b) Sojourner.
(c) Oracle.
(d) Lyka.

4. What form do the materials that planets emerge from take before they coalesce into proto-planets?
(a) A cloud.
(b) A sphere.
(c) A star.
(d) A disc.

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

Short Answer Questions

1. What planet is the "evening star"?

2. What is the constituent particle of light?

3. What is the main component of the atmosphere of Venus?

4. Sagan describes humans as which of the following, with respect to their arrival in the universe?

5. What strange motion do all of the stars in the sky exhibit?

(see the answer key)

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