单词extragalactic
adj.: 银河系外的
网络: 河外；河外的；河外星系
银河系外的,(银)河外的
Just as extragalactic astronomers were giving up on stellar collisions, their galactic colleagues adopted them with a vengeance.
正当河外天文学家放弃恒星碰撞时，他们那些研究银河系的同僚却彻底地接纳了它们。
Astronomer Art Hoag first asked this question when he chanced upon this unusual extragalactic object.
当天文学家阿特.霍格偶然发现这个银河系外的非同一般的物体时，他首先问出来这个问题。
But a bunch of strong extragalactic microwave- and radio-sources are out there too, mucking up our picture!
而且有一群强大的银河系外微波和无线电源，弄脏了我们的图片！
"The claim that it"s extragalactic is kind of a guess, " says Pravdo.
“这颗行星来自外星系的说法只是一种猜测，”普拉夫多说。
Although the extragalactic space is a dangerous zone, you should also annihilate all the enemies on your journey.
虽然银河系外的空间是一个危险的地域，但是，你也应该在你的旅程上消灭所有的敌人。
This galaxy was observed by a team affiliated with the HST Key Project on the Extragalactic Distance Scale.
星系NGC4603由隶属于哈勃太空望远镜重大项目组的“河外星系量天尺工程”团队观测。
For the first time, astronomers have detected a planetary system in a stellar stream of extragalactic origin.
这是天文学家首次在银河系以外的恒星流中发现一个行星系。
This extragalactic jet is being fueled and ejected from the vicinity of a monster black hole that is 3 billion times the mass of our Sun.
此河外星系射流是从（星系核心）30亿个太阳质量的魔鬼黑洞附近区域加热并喷射出去的。
a number of supernovae and one nova in extragalactic systems.
河外星系中发现了一批超新星和一个新星；
Stellar systems; galactic and extragalactic objects and systems; the universe
恒星系；银河和河外的物体和星系；宇宙