Last Updated
：2025/11/20
main sequence
Noun
Japanese Meaning
天文学において、ハーツシュプルング・ラッセル図上で、表面温度が上がるに従って光度も増大する、恒星の主要な分類群（主系列）を指す。
（ plural ）
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(astronomy) A major grouping of stars represented on a Hertzsprung-Russell diagram by a nearly uniform band of increasing luminosity with increasing surface temperature.
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main sequence
The star we observed belongs to the main sequence, a band on the Hertzsprung–Russell diagram where luminosity increases with surface temperature.
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The star we observed belongs to the main sequence, a band on the Hertzsprung–Russell diagram where luminosity increases with surface temperature.
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