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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9 The Arrow of Time.

Multiple Choice Questions

1. What is the name for the limit that states the smallest mass a star can have in order for it to produce a black hole?
(a) Chandrasekhar limit.
(b) Torontareian limit.
(c) Rustinmaliyan limit.
(d) Subrahmanyan limit.

2. Aristotle thought that the Earth was what?
(a) Its own galaxy.
(b) Bigger than the sun.
(c) In orbit around the sun.
(d) Stationary.

3. How far away is our sun from the earth in terms of light?
(a) 8 light minutes.
(b) 8 light months.
(c) 9 light months.
(d) 9 light minutes.

4. What else can we not see, besides black holes?
(a) Black matter.
(b) Light waves.
(c) Clear matter.
(d) Photon matter.

5. Who published a paper on Brownian motion in 1905?
(a) Ernest Rutherford.
(b) Murray Gell-Mann.
(c) Albert Einstein.
(d) James Chadwick.

Short Answer Questions

1. What does Hawking say math is useful for?

2. From what location was the Introduction written?

3. As a consequence of quantum mechanics, waves sometimes behave like what?

4. How close is the closest star, other than the sun, to earth?

5. What does the letter C stand for in combinations of operations?

(see the answer key)

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