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absolute magnitude中文

發音:   用"absolute magnitude"造句
  • 【天文學】絕對星等。
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例句與用法

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  1. Problems of urbanization are widely noted and studied, not only because of their absolute magnitude but also because of their visibility .
    城市化的問題正在受到廣泛的注意和研究,不僅因為這些問題十分重要,而且非常突出。
  2. We can also talk about the absolute magnitudes of objects like star clusters , galaxies , etc
    絕對星等的概念可推廣至星團星系等。
  3. For example , the apparent magnitude of our sun is - 26 . 8 , but its absolute magnitude is just 4 . 8 . the absolute magnitude describes the
    例如太陽的視星等為- 26 . 9等,但它的絕對星等只有4 . 8等。
  4. We know the luminosity is directly related to the absolute magnitude . so , in practice , we usually use absolute magnitudes instead
    由于光度和絕對星等有直接的對應關系,所以很多時赫羅圖會選用絕對星等。
  5. This greatly simplifies the various analyses , for example , their relative apparent magnitudes are equal to their relative absolute magnitudes
    當然,成員星和地球的距離亦會差不多,因此大大簡化了對成員星的分析。

英文釋義

名詞
  1. (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth

百科釋義

    Absolute magnitude (also known as absolute visual magnitude when measured in the standard V photometric band) is the measure of a celestial object's intrinsic brightness. It is also the apparent magnitude a star would have if it were 32.
    詳細百科解釋

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