What Physical Process Has Allowed Astronomers to Measure the Overall

question 344

Multiple Choice

What physical process has allowed astronomers to measure the overall number and distribution of brown dwarfs in the Milky Way Galaxy?

• A) The gravitational fields of brown dwarfs can bend the light from background stars.
• B) Brown dwarfs emit copious amounts of infrared radiation, which can penetrate the interstellar medium.
• C) Molecules in the atmospheres of brown dwarfs emit radio waves that can be detected from Earth.
• D) Brown dwarfs occasionally eclipse (block the light from) more distant stars.

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Definitions:

Common-sized Balance Sheet

A financial statement in which each line item is expressed as a percentage of total assets, facilitating comparison across firms and time periods.

Percentage Analyses

A financial analysis technique that expresses components of financial statements as percentages of a base amount to compare financial data across periods or companies.

Ratios

Quantitative metrics calculated from financial statements to evaluate various aspects of a company's performance or financial health.

Turnovers

The rate at which inventory or assets are sold and replaced or employees leave a company and are replaced over a given period.