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absolute magnitude中文什么意思

发音:   用"absolute magnitude"造句
  • 【天文学】绝对星等。
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例句与用法

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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 .
    城市化的问题正在受到广泛的注意和研究,不仅因为这些问题十分重要,而且非常突出。
  2. We can also talk about the absolute magnitudes of objects like star clusters , galaxies , etc
    绝对星等的概念可推广至星团星系等。
  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
    例如太阳的视星等为- 26 . 9等,但它的绝对星等只有4 . 8等。
  4. We know the luminosity is directly related to the absolute magnitude . so , in practice , we usually use absolute magnitudes instead
    由于光度和绝对星等有直接的对应关系,所以很多时赫罗图会选用绝对星等。
  5. This greatly simplifies the various analyses , for example , their relative apparent magnitudes are equal to their relative absolute magnitudes
    当然,成员星和地球的距离亦会差不多,因此大大简化了对成员星的分析。

英文释义

名词
  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

百科释义

    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.
    详细百科解释

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