absolute magnitude meaning in English
【天文学】绝对星等。
Examples
- 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。 - 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。 - 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。 - 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。 - 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。