nucleus of the galaxy meaning in English
银核
Examples
- 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