In an Extrasolar Planetary System Containing a Single Planet, the Parent

question 20

Multiple Choice

In an extrasolar planetary system containing a single planet, the parent star is measured to move about its center of mass every 24 years. Given this, what is the orbital period of the planet?

• A) 48 years
• B) this cannot be determined from this observation
• C) 12 years
• D) 24 years

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Definitions:

Estimated Cost

Estimated cost refers to the projection or approximation of the cost associated with a particular project, product, or service.

Straight-Line Depreciation

A method of depreciation where an equal amount of depreciation is allocated each year over the useful life of the asset.

Average Rate of Return

This financial ratio measures the profitability of an investment, calculated by dividing the average annual profit by the initial investment cost.

Estimated Annual Net Income

The projection or forecast of a company's net income over a one-year period, considering all expected revenues and expenses.