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银河系最耀眼“烟火表演”：超级耀斑或将威胁地球
source link: https://tech.sina.com.cn/d/s/2019-07-02/doc-ihytcitk9062759.shtml
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新浪科技讯北京时间7月2日消息，据国外媒体报道，近年来，探测银河系边缘的天文学家观测到了银河系中一些最耀眼的“烟火表演”——超级耀斑（superflare）。超级耀斑又称超级闪焰，当这类事件发生时，恒星喷发出巨大的能量，其亮度急剧增加，从数
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