Last Updated:2025/11/20
(astronomy) a numerical measure of the brightness of a star, planet etc.; a decrease of 1 unit represents an increase in the light received by a factor of 2.512
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apparent magnitude
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Source Word
apparent magnitude
Noun
countable
uncountable
Japanese Meaning
天体などの明るさを数値で表す尺度。数値が低いほど明るくなり、1単位減少すると受光量が約2.512倍に増加する(視等級とも呼ばれる)。
( plural )