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The two ways are by their surface temperature (spectrum) and by their absolute magnitude (intrinsic brightness). The HR diagram has spectrum along the horizontal axis and absolute magnitude along the vertical axis. Each star occupies a point in the HR diagram.
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How much do astronomers use spectral analysis to classify stars?
a lot
What are 3 ways to classify clastic sedimentary rocks?
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What colors are binary stars?
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What is a Hertzsprung-Russell diagram and how do astronomers use it?
i really o not understand the significance of the question that is asking
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i think u can classify it in 2 ways
