The Hertzsprung-Russell Diagram

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  • Опубликовано: 12 сен 2024

Комментарии • 2

  • @rhoddryice5412
    @rhoddryice5412 2 года назад +1

    Again I’d like to thank you for all your lectures. It’s nice to come back when I need to refresh my knowledge. And I must commend you on your clear and precise speech. I have no trouble listening at 1.5 speed.