The Position of an Absorption or Emission Line Is Useful

question 51

Multiple Choice

The position of an absorption or emission line is useful in determining the ____.

• A) temperature of an object
• B) distance to an object
• C) chemical composition of an object
• D) motion of an object across the observer's line of sight
• E) motion of an object toward or away from the observer

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Definitions:

Short-Run

A period of time in economics where at least one input is fixed, limiting the ability to fully adjust to market changes.

Gasoline Costs

Expenses related to the purchase of gasoline, often significant for individuals and businesses relying on transportation.

Fixed Costs

Fixed costs, which are unaffected by the volume of production or sales, encompassing charges like lease payments, employee salaries, and insurance fees.

Insurance

A financial product sold by insurance companies to safeguard against the risk of financial loss.