What Are the Characteristics of an Open Cluster of Stars

question 23

Multiple Choice

What are the characteristics of an open cluster of stars?

• A)mostly found above and below the galactic plane
• B)old age and millions of members
• C)a few hundred, mainly main sequence stars
• D)All stars are much more massive than our Sun.
• E)All stars are about the same age and luminosity.

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Definitions:

Marginal Cost Curve

A curve that displays the additional cost associated with producing one more unit of output, typically showing how marginal cost changes with changes in production volume.

Total Cost Curve

A graph that shows the total cost incurred by a firm in the production of goods or services at different levels of output.

Diminishing Returns

The principle stating that if one factor of production is increased while others remain constant, the overall returns will eventually decrease after a certain point.

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit of a good changes as the production volume varies.