Surface brightness

The overall brightness of an extended astronomical object such as a galaxy, star cluster, or nebula, can be measured by its total magnitude, integrated magnitude or integrated visual magnitude; a related concept is surface brightness, which specifies the brightness of a standard-sized piece of an extended object.

单词	Integrated magnitude
释义	Integrated magnitude 原声例句英语演讲大全 I don't know that I have seen perceptible changes of integrate magnitude. 我不知道我是否看到了整体幅度的可察觉变化。英语百科 Surface brightness The overall brightness of an extended astronomical object such as a galaxy, star cluster, or nebula, can be measured by its total magnitude, integrated magnitude or integrated visual magnitude; a related concept is surface brightness, which specifies the brightness of a standard-sized piece of an extended object.
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Integrated magnitude

Surface brightness