288:参宿四真要炸了吗?
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著名的超新星候选者——参宿四,为什么会在今年初被猜测可能要爆炸了?两年前年《史记·天官书》里对其的描述为什么引起了现代天文学家的关注?作为一颗红超巨星,如果它真的爆炸了,会是怎样一番场景?而地球上的我们,又是否安全呢?我们这一代人,真有可能见证它的爆炸吗?!
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