What are quasars and active galactic nuclei?

甚么是类星体和活跃星系核？

youdao

In just that tiny region, WISE found about 130 glowing black holes, or active galactic nuclei.

在这块微小的区域，智慧号发现了130个发光的黑洞或活动星系核。

youdao

Most galaxies are like that, as it happens, but there are a few rougher neighborhoods where the black holes cause their share of mayhem in the form of active galactic nuclei (AGNs).

大部分星系都是如此，但有一些粗暴的邻居的黑洞让它们以活动星系核(agn)的形式对外散布伤害。

youdao

Fermi has been a tremendous success at examining some of the most high-energy processes in the cosmos, publishing a catalogue filled with details of the spinning neutron stars known as pulsars, and a wide array of "active galactic nuclei" - probably supermassive black holes.

BBC: Fermi telescope may change to dark matter hunting