What Do Astronomers Mean When They Say That the Sun

question 34

Multiple Choice

What do astronomers mean when they say that the Sun makes energy by hydrogen burning?

• A) The Sun is combusting hydrogen in a fire and releasing energy.
• B) The Sun is fusing hydrogen into uranium and releasing energy.
• C) The Sun is made of mostly hydrogen at very high temperature.
• D) The Sun is fusing hydrogen into helium and releasing energy.
• E) The Sun is accumulating hydrogen from the solar wind and releasing energy.

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Definitions:

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M&M Proposition I

Modigliani and Miller's principle suggesting the irrelevance of financial leverage on a company's valuation in an ideal market.

Debt-Equity Ratio

A calculation of a firm's financial leverage determined by dividing its overall liabilities by the equity of its shareholders.

Interest Tax Shield

The reduction in income taxes that results from the deductibility of interest payments from taxable income.