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  1. Oxford Dictionary

    main sequence

    • n.
      a series of types to which most stars belong, represented on a Hertzsprung–Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars)

    • noun: main sequence

    • 釋義

    名詞

    • 1. a series of types to which most stars belong, represented on a Hertzsprung–Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars) main sequence stars