半人马座A是一個透鏡星系，最靠近地球的電波源之一. Centaurus A is a beautiful galaxy，one
life90 (2019-12-30 13:19:44) 评论 (0)
海外博客
半人马座A是一個透鏡星系，最靠近地球的電波源之一. Centaurus A is a beautiful galaxy，one
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