Early star-forming galaxies and the reionization of the Universe

Early star-forming galaxies and the reionization of the Universe
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DOI:
10.1038/nature09527
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发表时间:
2010-11
期刊:
影响因子:
64.8
通讯作者:
B. Robertson;R. Ellis;J. Dunlop;R. McLure;D. Stark
B. Robertson;R. Ellis;J. Dunlop;R. McLure;D. Stark
中科院分区:
综合性期刊1区
文献类型:
--
作者:
B. Robertson;R. Ellis;J. Dunlop;R. McLure;D. Stark

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恒星形成星系追溯宇宙历史。美国航天局哈勃太空望远镜最近的观测进展导致了对已知最早星系的发现和研究,这些星系对应于宇宙年龄只有28亿年的时期。来自这些早期星系的强烈紫外线辐射可能引发了宇宙历史上的一个重大事件:星系际氢的再电离。
Star-forming galaxies trace cosmic history. Recent observational progress with the NASA Hubble Space Telescope has led to the discovery and study of the earliest known galaxies, which correspond to a period when the Universe was only ∼800 million years old. Intense ultraviolet radiation from these early galaxies probably induced a major event in cosmic history: the reionization of intergalactic hydrogen.