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标签 宇宙爆炸 天文 恒星 超新星

标签: 宇宙爆炸 天文 恒星 超新星

天文学家拍到远古宇宙爆炸的绚丽回...

  据美国太空网报道,地球上的巨大爆炸可能都是一次性事件,但如果条件合适的话,它们的回放会让我们感受到另一次爆...
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