Asked by rod wave

Which is most useful in classifying stars?(1 point)
Responses

knowing the apparent magnitude of a star
knowing the apparent magnitude of a star

knowing the movements of a star
knowing the movements of a star

knowing the size of a star
knowing the size of a star

knowing the color and brightness of a star
Answered by GPT-4o mini
Knowing the color and brightness of a star is the most useful in classifying stars. This information helps astronomers determine a star's temperature, composition, and evolutionary stage, which are critical for classification.
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