COSMOLOGY A surprising chill before the cosmic dawn

被引：4
作者：
Greenhill, Lincoln [1 ,2 ]
机构：
[1] Smithsonian Astrophys Observ, Radio & Geoastron Div, Cambridge, MA 02138 USA
[2] Harvard Univ, Dept Astron, Cambridge, MA 02138 USA
来源：
NATURE | 2018年 / 555卷 / 7694期
基金：
美国国家科学基金会;
关键词：
Astronomy and astrophysics; Cosmology;
D O I：
10.1038/d41586-018-02310-9
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
An experiment to estimate when stars began to form in the Universe suggests that gas temperatures just before stars appeared had fallen well below predicted limits, and that dark matter is not as shadowy as was thought.
引用
收藏
页码：34 / 36
页数：3
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