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TESS发现第三颗系外行星，属于气态“亚海王星”

 5 years ago
source link: https://tech.sina.com.cn/d/s/2019-01-17/doc-ihqfskcn7837670.shtml
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新浪科技讯北京时间1月17日消息，据国外媒体报道，目前，美国宇航局“凌日系外行星勘测卫星”（TESS）探测到第三颗系外行星，测量结果显示，它是一颗密集、气态“亚海王星”，体积是地球的3倍。近日，在美国西雅图召开的美国天文学会年会上，科学家宣

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