Which of These Components of the Milky Way Was Recently

question 39

Multiple Choice

Which of these components of the Milky Way was recently mapped by the Planck satellite?

• A) the spiral arms
• B) the global magnetic field
• C) an X-shaped set of stars near the galactic center
• D) atomic hydrogen

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Definitions:

Investment Turnover

A ratio that measures the efficiency of a company in generating sales or revenue from its invested assets.

Profit Margin

The ratio of net profits to revenues for a company, indicating the efficiency at which it can convert revenue into profit.

Return on Investment

A financial ratio that calculates the gain or loss generated on an investment relative to the amount of money invested.

Investment Turnover

A financial ratio that measures the efficiency of a company's use of its investments in generating sales revenue.