X-ray astronomy - How one galaxy can be a cluster

被引：3
|
作者：
Mushotzky, R
机构：
[1] NASA Goddard Space Flight Center,
来源：
NATURE | 1997年 / 388卷 / 6638期
关键词：
D O I：
10.1038/40521
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：
One would expect a galaxy cluster to be a cluster of galaxies. Now a strange object has been discovered whose X-ray emission betrays it as a massive cluster, but which only contains one obvious galaxy at optical wavelengths. Odder still, this dark cluster is rich in heavy elements, presumably produced by stars - but what stars?
引用
收藏
页码：126 / 127
页数：2
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