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总结
多家英文媒体报道称,研究人员利用太阳耶夫—泽尔多维奇效应等观测手段,在红移约4.3的早期宇宙探测到异常炽热的星系团际热气体,并识别出一组质量可观的远古星系群。按现有模型推算,在大爆炸后约14亿年,这类大尺度结构及其高温气体应更难形成或不应如此活跃。相关结果发表于《自然》,可能促使学界重新评估星系团形成时间线、反馈加热机制与暗物质结构生长的参数设定。
正文
Scientists Discover Impossible Object in Deep Space Yahoo Sunyaev-Zeldovich detection of hot intracluster gas at redshift 4.3 Nature Impossibly Hot Object Discovered 1.4 Billion Years After The Big Bang ScienceAlert UBC researchers delve into deep space to answer mysteries of galaxy formation The Globe and Mail 'How can all of this be happening?': Scientists spot massive group of ancient galaxies so hot they shouldn't exist Live Science
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