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绝对星等天体光度的一种量度。假定把恒星放在距地球10秒差距的地方测得的恒星的亮度，用以区别于视星等 Apparent magnitude。它反映天体的真实发光本领 juéduì xīngděng
expl. absolute magnitude
绝对星等 juéduì xīngděng
space absolute magnitude
绝对 星 等
: 17 phrases in 3 subjects
Aviation1
Space6
Technology10

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