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天文学家发现银河系外遥远行星 距地球38亿光年
source link: http://tech.sina.com.cn/d/s/2018-03-01/doc-ifwnpcns5123108.shtml
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新浪科技讯北京时间3月1日消息，借助类星体微引力透镜技术，美国俄克拉荷马大学的一个天文学家小组宣布发现了一群流浪行星，它们的质量小到月球，大到木星。发现这些行星的地点是在强引力透镜系统RXJ1131-1231的前景星系中。RXJ1131-1
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