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出典:Wikipedia
出典:『Wikipedia』 (2010/12/12 00:13 UTC 版)
Mu Crucis (μ Cru, μ Crucis) the 7th brightest star in the constellation Crux, or Southern Cross. It is a wide binary of spectral class B stars, each of magnitude 4.0 and 5.1. They lie about 360−380 light years away.
Mu Crucis