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- An active galaxy is a star system with a humongous black hole at its centre. 一个活跃的星系是一个中央部位有一个极大的黑洞的恒星体系。
- They'd found evidence of the most terrifying force in nature, but worryingly it wasn't in some far-off active galaxy. 他们发现了自然界中最可怕力量存在的证据,但令人疑虑的是,这个证据不是在那些遥远的活跃的星系中发现的。
- Active galaxy Centaurus A is likely the result of a merger with a spiral galaxy some 100 million years ago. 活动星系半人马座A可能是1亿年前与一个旋涡星系合并而成。
- 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。
- The Milky Way is not an active galaxy, but it does have a powerful source of radiation called Sagittarius A* at its center. 银河系不是一个活动星系,但它中心也有一个强大的射电源称为“人马座A*”。
- An algorithm for classification of galaxy spectra is proposed, which divides thegalaxy spectra into normal galaxy and active galaxy spectra. 提出了一种新的星系光谱分类方法;将星系光谱分为正常星系和活动星系.
- 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。
- 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 image of Centaurus A digitally superposed near the top signifies one such active galaxy from which cosmic rays might originate. 在影像上方数字叠加上去的人马座A星系可能就是这样一个能产生宇宙射线活跃星系。
- The intrinsically bright nucleus of a young, active galaxy powered by a supermassive black hole, the quasar was recently identified as one of the most distant objects known. 类星体是藏有超大质量黑洞的活跃星系内的明亮核心,这个类星体最近被证明为迄今距离我们最远的天体之一。
- Explanation: Peering deep inside Centaurus A, the closest active galaxy to Earth, the Spitzer Space Telescope's penetrating infrared cameras recorded this startling vista in February 2004. 说明: 在2004年2月,史匹哲太空望远镜用高穿透性的红外光相机,透视半人马座A这个离我们最近的活跃星系之内部,并记录了这幅令人惊讶的景象。
- 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。
- As a result, while the small, bright nucleus is typical of the Seyfert class of active galaxies, M94 is also known as a starburst galaxy. 在中心的小亮核心是典型的西佛星系(Seyfert),而M94亦称为星暴增星系。
- A small percentage of galaxies called active galaxies emit tremendous amounts of energy. 有一小部分被称做活动星系的星系放射出巨大的能量。
- A galaxy of film stars attended the premiere. 一群影星参加了首次公演。
- So for years no one could be certain if supermassive black holes really did exist at the heart of these strange active galaxies. 因此这么多年仍无人能确定这些异常活跃的星系中心是否有超级黑洞.
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- Each galaxy contains myriads of stars. 每一星系都有无数的恒星。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- An active volcano may explode at any time. 活火山随时都有可能爆发。