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恒星赤道低温,行星两个夏季:"最热行星"所在系统，为何如此奇特
source link: https://tech.sina.com.cn/d/s/2020-07-12/doc-iivhvpwx4889283.shtml
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来源：环球科学2016年，千度极小望远镜（KELT）发现了。这颗行星位于天鹅座，被命名为KELT-9b。它最显著的特征为极高的表面温度——昼半球的表面温度可达4600开尔文，甚至超过了很多恒星，也是已知温度最高的行星之一。2019年起，NA
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