galactic bulge meaning in English
星系核球
银河系核球
Examples
- The galaxy ' s central region is called the galactic bulge because the stars form a ball a few thousand light years in diameter that extends above and below the disk of the galaxy
星系的中心区域叫做核球，原因是恒星组成了直径几千光年的球体，膨胀到星系盘上下两侧。