The Hydrogen Lines of Spectral Type a Main Sequence Stars

question 68

Multiple Choice

The hydrogen lines of spectral type A main sequence stars are ____.

• A) the strongest
• B) the weakest
• C) the most narrow
• D) useful in determining apparent magnitude
• E) used to estimate the luminosity of the star

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Definitions:

Androgyny

A blend of both masculine and feminine characteristics in an individual's appearance, behavior, or identity.

Self-ratings

Self-assessments or evaluations made by individuals regarding their own performance, abilities, or attributes.

Masculine

Characteristics, behaviors, and roles traditionally associated with men and male identity in a given society.

Feminine

Characteristic qualities or behaviors traditionally associated with women, such as gentleness, empathy, and nurturing, though these can vary widely across cultures and individuals.