Which of the Following Methods Allows Us to Determine the Size

question 47

Multiple Choice

Which of the following methods allows us to determine the size of an extrasolar planet around another star?

• A) detection of brightness changes in a star as a planet passes in front of it
• B) detection of reflected starlight
• C) regular changes in the positions of the parent stars with respect to more distant stars as they move across the sky
• D) detection of Doppler shifts in the spectra of the parent stars

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Definitions:

Five Forces Model

A framework developed by Michael E. Porter to analyze a business's competitive environment in five key areas: competitive rivalry, the threat of new entrants, the threat of substitute products, the bargaining power of suppliers, and the bargaining power of buyers.

Competitive Forces

External factors that influence the competitive position of a firm within an industry, including competition, potential entrants, substitutes, buyers, and suppliers.

Profitability

A measurement of the efficiency and effectiveness of a company at generating profits from its operations.

Competition And Profitability

The relationship between the competitiveness of a market and the ability of firms within that market to generate profits.