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银河系中心膨胀区存在重金属恒星 或破解起源之谜

 6 years ago
source link: http://tech.sina.com.cn/d/2018-01-20/doc-ifyquptv8086959.shtml
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新浪科技讯北京时间1月20日消息,据国外媒体报道,多年以来,研究人员一直观察银河系中心膨胀区域中的恒星,发现这些恒星富含较重元素,它们的质量比氢和氦更大,恒星运行速度比没有这些较重元素的恒星快两倍。这项最新发现可能有助于解答一些问题:银河系

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