View a FREE sample

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

Multiple Choice Questions

1. Hawking used what kind of space-time to reach the conclusion that the universe is similar to a sphere?
(a) Newtonian.
(b) Aristotelian.
(c) Euclidean.
(d) Ptolemaic.

2. What star system has a fairly certain black hole?
(a) Pegasus X-2.
(b) Marlin X-2.
(c) Cygnus X-1.
(d) Lythia X-1.

3. 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) Rustinmaliyan limit.
(b) Chandrasekhar limit.
(c) Subrahmanyan limit.
(d) Torontareian limit.

4. Philosophers try to understand the universe using what method?
(a) Religious reasoning.
(b) Mathematics.
(c) Circular arguments.
(d) Disciplined logic.

5. What shape did Aristotle think the Earth was?
(a) A disk.
(b) Flat.
(c) A sphere.
(d) Oval.

Short Answer Questions

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

2. In order to explain how black holes become a big bang, Hawking needs to include what?

3. The universe has how many dimensions?

4. A black hole has zero what?

5. What scientific feat led to the introduction of imaginary time?

(see the answer key)

This section contains 230 words (approx. 1 page at 300 words per page) View a FREE sample