The Spectral Class of the Star Enif Is K2,while That

question 230

Multiple Choice

The spectral class of the star Enif is K2,while that of the Sun is G2.Which conclusion can be drawn about Enif from this information?

• A) Enif is intrinsically fainter than the Sun.
• B) Enif is intrinsically brighter than the Sun.
• C) Enif is cooler than the Sun.
• D) Enif is hotter than the Sun.

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Definitions:

Inequality

A mathematical statement that indicates the relationship of less than (<), greater than (>), less than or equal to (≤), or greater than or equal to (≥) between two expressions.

Critical Numbers

Values in the domain of a function where its derivative is zero or undefined, often marking potential maxima, minima, or inflection points.

Real Number Line

A visual representation of all real numbers arranged in order of value on a straight, horizontal line.

Inequality

A mathematical statement that shows the relationship between quantities that are not necessarily equal, using symbols like <, >, ≤, and ≥.