The Spectral Class of the Star Enif Is K2, While

question 57

Multiple Choice

The spectral class of the star Enif is K2, while that of the Sun is G2. Which of these conclusions 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:

Genus

A classification ranking used in biology to group closely related species, denoting a higher level of organization above species.

Circular

Shaped like or nearly resembling a circle; having the form or attributes of a circle.

Differentia

The characteristic or set of characteristics that distinguishes one entity or concept from another within the same group or category.

Genus

In biology, a rank used in the classification of organisms that groups together species sharing common characteristics; in logic, it refers to a general term that describes a broad category.