To tell others how bright a star is. It is a log scale in intensity. Thus, magnitude and intensity both are scales for brightness of a star.
英
美
释义
来标示恒星的亮度,这是恒星光度的对数log,所以,等数及光度皆可用来标示恒星的亮度。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载