Suppose Each of the Following Objects Could Collapse into a Black

question 22

Multiple Choice

Suppose each of the following objects could collapse into a black hole. Each black hole would have a sphere around it that is the limit for escape -- once you are inside this region, you cannot get away. For which object would this region be the largest in diameter?

• A) a star with the mass of our Sun
• B) a planet like Jupiter
• C) a star that was type O when it was on the main sequence
• D) an entire cluster of stars (with about 150 stars in it)
• E) an entire galaxy of stars (with about a billion stars in it)

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Definitions:

Fair Value

An estimated market price of an asset or liability, reflecting the value for which it could be exchanged or settled between knowledgeable, willing parties.

Bond Investment

Buying bonds as a way to generate income through interest payments, representing a loan from the investor to the issuer.

Market Yield

The annual income return on an investment, expressed as a percentage of the market price.

Trading Security

A financial instrument, such as stocks or bonds, held by an entity for the purpose of selling them in the near term to generate income through price appreciation.