ASTRONOMY A black hole changes its feeding habits

被引：1
|
作者：
LaMassa, Stephanie [1 ]
机构：
[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
来源：
NATURE | 2016年 / 540卷 / 7631期
关键词：
ACTIVE GALACTIC NUCLEI; REFERENCE SURVEY CARS; LOOK QUASARS; SEYFERT; VARIABILITY; SHADOWS; SEARCH; SDSS;
D O I：
10.1038/nature20480
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：
In the 1980s, the gas surrounding a black hole in a nearby galaxy began to emit much more radiation than before. This change has unexpectedly reversed in the past five years, questioning our understanding of these extreme phenomena.
引用
收藏
页码：48 / 49
页数：2
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