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

页码：48 / 49

页数：2

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