galaxy n. 1.〔the G-〕 银河;银河系;〔pl.〕 河外星系。 2.人才荟萃,一群显赫的〔出色的〕人物;一系列光彩夺目的东西。 a galaxy of talent [beauties] 一群才子[美女]。
active adj. 1.活动的,有活动力的;【生物学】活性的;【电学】有功的;【无线电】有源的;【物理学】放射性的。 2.有生气的,活泼的,灵敏的,敏捷的;主动的,能动的,积极的;有力的,勤勉的;【医学】有特效的。 3.现行的,活动中的;【军事】现役的。 an active demand 畅销。 an active volcano 活火山。 The market is active. 市场活跃。 active measures 积极手段。 on active service 【军事】现役,现役中的。 take an active part [interest] in 积极参加。 adv. -ly 活跃地;积极地,能动地;【语法】主动地。 n. -ness 活跃,积极性。
be active in 对…很积极; 活跃于; 积极参加; 积极于; 在......里活跃; 在……活跃
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。
Some active galaxies emit jets and blobs of highly energetic , electrically charged particles 一些活动星系发出高能的喷射和溅射? ?带电的粒子。
We are not completely sure how an active galaxy is formed and how it generates such a large amount of energy 其实我们仍不大清楚活动星系的形成过程,亦不知道星核放射出大量辐射的机制。
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 * ” 。
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。
Introduce new findings from the hubble space telescope . the splendid pictures captured by the space telescope includes the supernova 1987a and active galaxy m87 当中选辑了很多幅由它摄得的精美图片,包括超新星1987a及m87活跃星系等,并附有每月重要天象资料。
Introduce new findings from the hubble space telescope . the splendid pictures captured by the space telescope includes the supernova 1987a and active galaxy m87 当中选辑了很多幅由它摄得的精美图片,包括超新星1987a及m87活跃星系等,并附有每月重要天象资料。
In the cores of many so - called " active galaxies " , we can observe extremely powerful radio sources with double - lobed structure and jets of high - energy particles 很多所谓活跃星系的核心都会发出能量极大的无线电辐射,或拥有高能粒子喷流双瓣无线电辐射源等结构。
Chapter one briefly summarizes the defined character and classification of active galaxies nuclei ( agns ) presents the energy mechanism and unified schemes of agns 第一章简要概述了活动星系核的定义,特征和分类。介绍了活动星系核能源产生机制和活动星系核的统一模型。
An active galaxy is a galaxy that radiates unusual large amount of energy in the form of infrared , ultraviolet and x - rays ; always from the nucleus of the galaxy . so , it is also termed the ,这种不寻常的星系会由星系中心放射出大量的红外线紫外线及x射线,所以我们称它的核心为