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古姆星云
释义
古姆星云
Encyclopedia
理学
原行星状星云
释
Gum Nebula
古姆星云
已知的最大角尺度的发射星云。延展角度大约40°(月亮在天空中的尺度为0.5°),横跨南天船帆星座和船尾星座。又称Gum 12。
Astronomy
Gum Nebula
古姆星云
随便看
Theory of Book Collection
theory of book distribution management
theory of born criminal
theory of boundary layer
Theory of Bright Heavens
theory of buildings
theory of bureaucracy
theory of C*-algebras
Theory of Calligraphy
Theory of Canopy-Heavens
theory of canopy-heavens
theory of capture
theory of cardinals
theory of categories
theory of center-periphery
theory of central town-village construction
theory of ceramics sintering
theory of characteristics
theory of chemical reactivity
Theory of Ci
theory of city life cycle
theory of classes
theory of cloud origin forests
theory of cognitive vulnerability for depression
theory of combinations
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