Which Possible Factor MOST Seriously Limits the Accuracy of Spectroscopic

question 71

Multiple Choice

Which possible factor MOST seriously limits the accuracy of spectroscopic parallax?

• A) Stars of the same spectral luminosity class can have a range of temperatures.
• B) It is difficult to accurately measure angular displacement for distant stars.
• C) Stars of the same spectral luminosity class can have a range of absolute magnitudes.
• D) It is not possible to accurately classify the spectral luminosity of even a nearby star.

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Definitions:

Coconut Consumption

Refers to the act of consuming coconuts or products derived from coconuts, influencing economic measures in regions where coconuts are a major commodity.

Competitive Market

A market structure characterized by a large number of buyers and sellers, where no single participant has significant influence on price.

Marginal Rate of Substitution

The ratio at which a consumer can exchange quantities of one good for another while preserving the same degree of contentment.

Pareto Optimal

Pareto optimal is a state of allocation of resources in which it is impossible to make any one individual better off without making at least one individual worse off.