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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Chapter 11.

Multiple Choice Questions

1. How far away is Proxima Centauri from Earth?
(a) 700 million times farther than Mars.
(b) 390 million times farther than Venus.
(c) 120 million times farther than our sun.
(d) 100 million times farther than our moon.

2. Tired of climbing hills to study clouds, C. T. R. Wilson invented what?
(a) Balloon-propelled cloud camera.
(b) Cloud simulation computer program.
(c) Cloud telescope.
(d) Indoor cloud chamber.

3. Many scientists suspect that Pluto is just a comet of the:
(a) Kuiper Belt.
(b) Solar Belt.
(c) Neptunian Belt.
(d) Orion Belt.

4. About how many stars are visible to the naked eye from Earth?
(a) 1,200.
(b) 500.
(c) 6,000.
(d) 9,600.

5. Sir Isaac Newton wrote "Mathematical Principles of Natural Philosophy," which explains his laws of what?
(a) Quantum physics.
(b) Attraction.
(c) Electromagnetic interference.
(d) Motion and gravity.

Short Answer Questions

1. Pluto is the first planet to be discovered by an:

2. How do today's professional astronomers search for supernovae?

3. Fred Hoyle came up with the term "Big Bang" while trying to:

4. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:

5. When was the Big Bang Theory first proposed?

(see the answer key)

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