Which Sequence Correctly Lists the Spectral Classes of Stars in Order

question 56

Multiple Choice

Which sequence correctly lists the spectral classes of stars in order of decreasing temperature (from hottest to coolest) ?

• A) A B F G K M O
• B) O A B G F M K
• C) A F O B M G K
• D) O B A F G K M

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Definitions:

Business-Hour Usage

The utilization of services, resources, or facilities during the established operational hours of a business.

Long-Distance

a term used to describe an extensive physical distance or a communication method over such distances.

Overtime Rate

The rate of pay for hours worked in excess of the standard working hours.

Forty-Hour Week

A standard workweek duration in many countries, typically comprising five eight-hour days.