NASA's Fermi telescope has spotted a mysterious structure in the centre of the Milky Way, but the agency's top astrophysicists aren't entirely sure what the colossal feature even is.
NASA的费米尓望远镜定位了一个银河系中的神秘结构，但是NASA组织的最顶尖的天体物理学家也不能完全说出巨大天体结构的特点是什么。
NASA's Fermi telescope has spotted a mysterious structure in the centre of the Milky Way, but the agency's top astrophysicists aren't entirely sure what the colossal feature even is.
NASA的费米尓望远镜定位了一个银河系中的神秘结构，但是NASA组织的最顶尖的天体物理学家也不能完全说出巨大天体结构的特点是什么。
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