Which Items Are NOT Used as "Standard Candles" for the Measurement

question 258

Multiple Choice

Which items are NOT used as "standard candles" for the measurement of distances to distant galaxies?

• A) Cepheid variables
• B) the width of the 21-cm H I radio emission line
• C) supernova explosions
• D) the brightness and pulsation rates of pulsars

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Earnings Per Share

A financial metric that shows the portion of a company's profit allocated to each outstanding share of common stock.

Return on Investment

A performance measure used to evaluate the efficiency or profitability of an investment compared to its cost.

Earnings Per Share

A metric that shows the portion of a company's profit attributed to each share of common stock, used to gauge a company's profitability.

Sales Revenue

The total income generated from the sale of goods or services before any expenses are subtracted.