“We don’t observe more mergers in the AGN host galaxies,” Cisternas said.
我们没有观测更多AGN母星系的吞并。
Processes that switch on immense pulses of x-ray-generating activity in a galactic black hole aren't well understood, Cisternas notes.
西斯特纳斯指出：在星系的黑洞中，对于X射线活动强烈脉冲的开启过程，现在还不大了解。
The new study "is a nice piece of work," says Mauricio Cisternas, an astronomer at the Max Planck Institute for Astronomy in Heidelberg, Germany.
德国海德尔堡市马普学会天文研究所的天文学家莫里西奥·西斯特纳斯说，这项新研究“很精致”。
The new study "is a nice piece of work," says Mauricio Cisternas, an astronomer at the Max Planck Institute for Astronomy in Heidelberg, Germany.
德国海德尔堡市马普学会天文研究所的天文学家莫里西奥·西斯特纳斯说，这项新研究“很精致”。
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