Which Effects Have Been Useful (And Successful)in the Search for and Identification

question 332

Multiple Choice

Which effects have been useful (and successful) in the search for and identification of black holes in the universe?

• A) the influence of their intense gravitational field on atoms that are emitting light from the event horizons of the black holes
• B) their gravitational influence on nearby matter, particularly companion stars
• C) the effect of their angular momentum, or spin, on nearby matter
• D) their magnetic fields and the influence of these fields on nearby matter

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Definitions:

Supplier

An individual or company that provides goods or services to another entity under terms specified in a contract.

Asset Turnover

A financial metric assessing how well a company utilizes its assets to produce sales income.

Working Capital

A measure of a company’s liquidity; computed as current assets minus current liabilities.

Note Payable

A written agreement in which one party agrees to pay another party a definite sum of money at a future date or on demand.