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Mizar and Alcor
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Mizar and Alcor
Encyclopedia
理学
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Mizar and Alcor
开阳和辅
开阳,大熊座ζ,是北斗七星勺柄末端的第二颗星;辅,大熊座80星,是开阳的暗伴星,开阳和辅组成了大熊星座的一个目视双星系统。在标准历元J2000赤道坐标系中,赤经为13h23m55.5s,赤纬为+54°55′31″,距离太阳约有83光年。研究发现,开阳和辅实际上是一个六合星聚星系统。
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combination of points of namesake channels,combination of points of namesake meridians
combination of political and economic systems
combination of prisms
combination of sentences
combination of several tunes
combination of signs
combination of source rock,reservoir and cap rock
combination of sports and education
combination of structure action
combination of the nature and flavour
combination of use and nourishment
combination of vehicles
Combination Principle
combination principle
combination printing
combination printing machine
combination reaction
combination resonance
combination resonator
combination resonator, complex resonator
combinations
combination scattering
combination set
combination solid
combination tanning
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