哈勃望远镜通过球状星团的核心揭示了恒星的扩散47 Tucanae

左边的哈勃太空望远镜图像中巨大的球状星团47Tucanae的核心显示了20万颗恒星的光芒绿色的盒子勾勒出群集拥挤的核心....

作者:宦乱

写于:2017-08-13 12:21:09

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