Sending Signals at Optical Wavelengths Might Be a Viable Alternative

question 1

Multiple Choice

Sending signals at optical wavelengths might be a viable alternative to radio wavelengths

• A) only between civilizations around solar-type stars whose eyes have evolved to see such radiation
• B) over relatively short distances where absorption by interstellar matter would not be a problem
• C) as long as the light transmitted is a different color than the light given off by the parent star
• D) over all distances as long as the intensity of the signal is strong enough

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Required Return

Required return is the minimum annual percentage earned by an investment that will induce individuals or companies to put their money into this investment, factoring in the risk involved.

Dividend Growth Rate

The annualized percentage rate of growth of a company's dividend, indicating the steady increase in dividends paid out to shareholders over time.

Dividends

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The fraction of net income a firm pays to its shareholders in dividends, expressed as a percentage of the company’s total earnings.