It is an active galaxy lying at the centre of the Perseus Cluster of galaxies.
它是个位于英仙座星系群中心的活动星系。
Galaxies can be divided into two classes: normal galaxy (NG) and active galaxy (AG).
星系通常分为正常星系(NG)与活动星系(AG)两类。
The location of this flaring active galaxy is very fortunate. It is about 38 deg away from a star known as V407 Cyg.
这个活跃的发光星系的位置是非常幸运的，距离被称为V407Cyg(天鹅座- V407号星)的亮星约38度。
The double black holes were found in a bright, highly active galaxy known as NGC6240, about 400 million light-years from the Earth.
这对黑洞存在于一个极其活跃明亮的星系中，该星系被命名为NGC6240，它距地球约有4亿光年。
X-ray data (blue) indicates the presence of a supermassive black hole feeding at the center of an active galaxy embedded in the blob.
同时在X射线（蓝色）显示，云球有个超大能量的黑洞，喂养著中心的活跃星系。
The European Space Agency's orbiting XMM-Newton observatory studied the black hole in the core of an active galaxy known only as 1h0707-495.
欧洲空间局在轨运行的XMM-牛顿天文台对名为1h0707 - 495的活跃星系核心中的黑洞进行了研究。
The jets are expelled by a violent black hole millions of times the mass of our Sun embedded deep in the center of nearby active galaxy cen a.
这道喷流是受到隐匿在活跃星系半人马座a附近的超大黑洞所驱使，这黑洞约莫数百万个太阳的质量。
But for an active galaxy Centaurus a is close, a mere 10 million light-years away, and is a relatively convenient laboratory for exploring these powerful sources of energy.
不过对一个活跃星系而言，人马座a离我们算是近的，不过1千万光年远罢了，而且是个相对较方便的实验区域，供科学家探索这样强大的能量源。
The Hubble Space Telescope has found the answer to a long-standing puzzle by seeing the details of giant but delicate filaments shaped by a strong magnetic field around the active galaxy NGC 1275.
“哈勃”空间望远镜观察到活动星系ngc 1275周围强大磁场塑造的巨大而精巧的细丝细节回答了一个长久以来难题。
One of the most active star-forming regions near Earth, N11 is part of a complex network of gas clouds and star clusters in the Large Magellanic cloud, a neighboring galaxy.
其中一个最活跃的恒星形成区域靠近地球，N11是在大麦哲伦星云(一个邻近星系)里的气云和星团所组成的复杂网络的一部分。
NGC 6334 is one of the most active nurseries of massive stars in our galaxy and has been extensively studied by astronomers.
NGC 6334是银河系中最活跃的恒星保育院之一，被天文学家广泛研究。
Imaging of nearby galaxy M87's core reveals that the black hole residing there has either a nonexistent or much fainter ring of dust around it compared with other active galaxies.
M 87是邻近我们的一个星系。从照片上观察，位于它核心的黑洞，四周的微尘环要不就不存在，要不就是非常稀薄，这是与其他较为活跃的星系比较的结论。
Imaging of nearby galaxy M87's core reveals that the black hole residing there has either a nonexistent or much fainter ring of dust around it compared with other active galaxies.
M 87是邻近我们的一个星系。从照片上观察，位于它核心的黑洞，四周的微尘环要不就不存在，要不就是非常稀薄，这是与其他较为活跃的星系比较的结论。
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