By Comparing Globular Clusters, You Find That Cluster A's RR

question 48

Multiple Choice

By comparing globular clusters, you find that Cluster A's RR Lyrae stars are 100 times fainter than Cluster B's RR Lyrae stars. You know that Cluster A's stars are 1.5 times more luminous than Cluster B's stars, because Cluster A is more metal-rich and somewhat younger. How do the clusters' distances compare?

• A) Cluster A is 65 times farther away than Cluster B.
• B) Cluster A is 12 times farther away than Cluster B.
• C) Cluster A is 10 times farther away than Cluster B.
• D) Cluster A is seven times farther away than Cluster B.
• E) Cluster A and Cluster B are at approximately the same distance.

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Definitions:

Compensating Balance

A minimum account balance that a borrower is required to maintain as a condition of borrowing from a lender, often used to offset the cost of maintaining the loan.

Accounts Payable Period

The average time it takes for a company to pay off its suppliers.

Credit Sales

Transactions in which goods or services are provided to a customer with the agreement that payment will be made at a later date.

COGS

Stands for Cost of Goods Sold, which represents the direct costs attributable to the production of the goods sold by a company, including materials and labor.