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船底座η星云
释义
船底座η星云
Encyclopedia
理学
原行星状星云
释
Eta Carina Nebula
船底座η星云
一个包围在船底座η星(见海山二)(银河系内最大和最亮的恒星之一)周围的巨大亮星云。《星云星团新总表》中的编号是NGC3372。标准历元J2000的坐标是赤经10h44m19.0s,赤纬-59°53′21″。又称卡利纳星云,也称为钥匙孔星云、船底座大星云、η卡利那星云、NGC3372。
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principle of nested intervals
Principle of Net Profit
principle of neural coding
principle of non-intervention
principle of non-toxic, recovery and reduction
principle of normality
principle of objectivity
principle of one-person,one-vote
principle of one property one right
principle of optical equivalence
principle of optical path reversibility
principle of optimality
Principle of Option
principle of oral argument
principle of original horizontality
principle of original lateral continuity
principle of patent application
principle of people's sovereignty
principle of periodization
principle of permanence
principle of permutation
principle of pertinence
principle of phase modulation measurement
principle of physical independence of forces
principle of pigeon-nest
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