What Does a Spiral Galaxy Look Like When Seen Edge-On

question 111

Multiple Choice

What does a spiral galaxy look like when seen edge-on?

• A) a thick, straight line of light with a central light bulge
• B) circular, with no evidence of spiral arms since they are hidden by dust and gas
• C) a thick line curved into a spiral shape
• D) a thick, straight line with constant thickness

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Definitions:

Machine-Hours

A measure of the amount of time that machinery is in operation, typically used as a basis for allocating manufacturing overhead costs.

Predetermined Overhead Rate

A rate used to allocate manufacturing overhead costs to products based on a predetermined formula, often involving estimated costs and activity levels.

Machine-Hours

A measure of production volume or activity based on the number of hours machines are operating.

Unused Capacity

Unused capacity represents the available but unutilized production or service capability of a company, which if used, could potentially increase output without increasing fixed costs.