Measurements Indicate That a Certain Star Has a Very High

question 44

Multiple Choice

Measurements indicate that a certain star has a very high luminosity (100,000 times as bright as the Sun) and yet is relatively cool (3500 K) . How can this be?

• A) The star must be quite small.
• B) The star must be very large.
• C) There must be an error in observation because no star can have these properties.
• D) The star must be in the upper part of the main sequence.

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Definitions:

Equity

Ownership interest in a company, represented by shares, which gives shareholders a claim on part of the company's assets and earnings.

Equity Financed

The method of raising capital through the sale of shares in a company.

Retained Earnings

The portion of a company’s profit that is held back and not distributed to shareholders as dividends, to be reinvested in the business.

EBIT

Earnings Before Interest and Taxes - an indicator of a company's profitability that calculates income without tax expenses and interest expenses.