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瑞士科学家发现史上最热行星 表面温度达4327℃

环球网 2018-08-20 作者:江宇婕

  据英国《每日邮报》8月16日报道,来自瑞士伯尔尼大学和日内瓦大学的科学家称,发现了一颗名为KELT-9b的行星,其表面温度高达4327℃,是迄今为止发现的最热的行星。

  据报道,KELT-9b是一颗围绕KELT-9恒星运行的巨大气体系外行星,其表面温度高达4327℃。科学家们发现,KELT-9b行星与其恒星之间的距离比地球与太阳的距离近30倍,而这也是其高温的主要原因。

  研究人员表示,KELT-9b的体积是木星的三倍,而密度却只有木星的一半。另外,大气中竟检测到只有恒星才可能存在的铁蒸汽和钛蒸汽的迹象。目前,科学家们已将此研究论文发表在《自然》杂志上。

责任编辑:王超

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