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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7, Brane New World.

Multiple Choice Questions

1. How are galaxies distributed through space?
(a) Neatly.
(b) Roughly diversely.
(c) Roughly uniformly.
(d) Every two fathoms.

2. What question does Hawking ask about extraterrestrials?
(a) If they were out there, why would they want to contact us?
(b) If they were advanced, why haven't they spread across the galaxy?
(c) If they are real, why haven't we discovered them?
(d) If they were smart, why haven't they contacted us?

3. What is the name of Hawking's conjecture about the laws of physics and macroscopic time travel?
(a) The Theoretical Projection Conjecture.
(b) The Chronological Spacetime Conjecture.
(c) The Timeline Protection Conjecture.
(d) The Chronology Protection Conjecture.

4. How can half-determinism be preserved in relation to black holes?
(a) If Einstein's theory of general relativity is true.
(b) If space-time is directed by Planck lengths.
(c) If Strominger and Vafa's 1996 postulation is true.
(d) If subatomic travel is curved.

5. Who believed they could interpret General Relativity so time had an infinite past and an infinite future?
(a) Hawking and Penrose.
(b) Lucas and Marx.
(c) Lifshitz and Khalatnikov.
(d) Shalob and Khalatnikov.

Short Answer Questions

1. What is the other name for the M-Theory?

2. What kind of topics does Hawking claim brane worlds are?

3. What kind of theory do we not have yet that is essential to figuring out time travel?

4. Who does Hawking say is utterly different from Newton?

5. What is the Planck length?

(see the answer key)

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