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10 天
“天关”卫星发现罕见的X射线双星系统
据新华社北京2月19日电 (记者张泉、张建松)记者2月19日从中国科学院国家天文台获悉:我国“天关”卫星发现一个位于“小麦哲伦云”星系内的双星系统EP J0052,并全程追踪到EP J0052从X射线突然爆发到逐渐消退的全过程,为探索大质量恒星的相互作用与演化 ...
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