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赛弗特星系
释义
赛弗特星系
Encyclopedia
理学
活动星系核分类
释
Seyfert galaxy
赛弗特星系
星系核极亮,具有强而宽发射线的活动星系,常有旋臂结构。因美国天文学家C.K.赛弗特(Carl Keenan Seyfert 1911-2-11~1960-6-13)于1943年首先发现而得名。活动星系核的一个亚型。
Astronomy
Seyfert galaxy
赛弗特星系
随便看
secondary electron emission microscopy
secondary electron emission microscopy, SEEM
secondary element
secondary emission
secondary energy
secondary enlargement
secondary enriched zone in tailings pond
secondary entry
Secondary environment
secondary environment
secondary extinction
secondary fan
secondary fermentation
secondary field
secondary fissure
secondary flow
secondary fluctuation
secondary flux of atomspheric γ-rays
secondary flux of cosmic rays
secondary focal point
secondary focus
secondary forest
secondary fragment
secondary gain
secondary glaucoma
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