天文学家发现螺旋星系的新特征

ChuckBednarforredOrbit.com-来自凯斯西储大学的宇宙在线天文学家已经发现了第一个已知旋涡星系的新特征....

作者:贺兰沁

写于:2018-12-06 12:06:00

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