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

question 96

Multiple Choice

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

• A) 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) 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:

Voucher Register

A record of vouchers, which are documents evidencing expenditure or the transfer of funds.

Book Of Vouchers

A ledger or book that contains vouchers, which are documents or files acting as evidence for transactions.

Gross Method

A method of recording purchases of inventory at their gross price without any deduction for trade discounts at the time of purchase.

Periodic Inventory Method

An accounting approach where inventory values and cost of goods sold are determined at the end of an accounting period through physical inventory counts.