Astronomy from Space Vehicles Is Particularly Useful Because the Telescope

question 205

Multiple Choice

Astronomy from space vehicles is particularly useful because the telescope

• A) is in a gravity-free state; the mirror is not distorted by gravitational stress and can therefore produce sharper images.
• B) moves smoothly and without vibration in a constant orbit and can therefore produce sharp photographs.
• C) is above Earth's absorbing and distorting atmosphere and can measure radiation over a very wide wavelength range.
• D) is in a clean, dust-free environment and scattered light is much reduced.

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Definitions:

Return On Equity

An assessment of a firm's efficiency in producing profit from its shareholders' investments.

Financial Leverage

The use of borrowed funds ("debt") to amplify returns from an investment or project.

Price Earnings Ratio

A financial metric comparing the current price of a company's stock to its earnings per share to assess whether the stock is undervalued or overvalued.

Earnings Per Share

A financial ratio that measures the amount of a company's profit allocated to each outstanding share of common stock.