In fact, the constellation Cygnus is sometimes called the Northern Cross. 事实上,天鹅座有时也被称为北十字星座。
Today, the resulting supernova remnant has faded and is now visible only through a small telescope directed toward the constellation of Cygnus. 如今,形成的超新星遗迹已经慢慢退去,只有通过小型望远镜朝天鹅座方向看去才能看到。