Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  IC 348  ·  The star 40Per  ·  The star 42Per  ·  The star οPer
ic348, Shenyan Zhang
ic348
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ic348, Shenyan Zhang
ic348
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Description

法国天文学家在星云天体IC348中,发现了三个质量小于10个木星质量的褐矮星。这是目前人类观测到的质量最小、最年轻的亚恒星天体。褐矮星严格说来只能算是“流产”了的恒星,它们质量太小,中心达不到氢的核聚变温度,因此并不像真正的恒星那样有明亮的辐射。星云IC348是一个恒星形成区域,距离地球约1000光年,位于英仙座中

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ic348, Shenyan Zhang

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China Lijiang Gemini Observatory