cover of episode 114.109 - 宇宙138亿年,为何宇宙直径达920亿光年?

114.109 - 宇宙138亿年,为何宇宙直径达920亿光年?

2023/6/8
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114.109 - 宇宙138亿年,为何宇宙直径达920亿光年?