The Spectral Classification of Stars Started with the Amount of Hydrogen

question 43

True/False

The spectral classification of stars started with the amount of hydrogen present in their spectra, but a better method now uses the amount of oxygen in the star's spectra.

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Definitions:

Cooperation

The action or process of working together to the same end, often by sharing knowledge or tasks.

Persuasion

Persuading an individual to adopt a belief or take an action based on logical argumentation or discourse.

Rhetorical

Pertaining to the art of effective or persuasive speaking or writing, especially the use of figures of speech and other compositional techniques.

Nonhierarchical Environment

An organizational structure where power and authority are not held by specific positions or ranks, promoting equality.