猎户臂是银河系内个一条小螺旋臂,地球所在个太阳系即处拉猎户臂内。渠也被称为本地臂、本地分支(Local Spur)或猎户分支。
猎户臂因为靠近猎户座而得名,渠拉拉人马臂搭英仙臂之间 - 银河系4条主要螺旋臂中个2条。拉猎户臂内个太阳系搭地球拉本星系泡内,距离银河中心大约8,000秒差距(26,000光年)。
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