At best, one can outline a few key characteristics. 充其量你只能大致描繪出它的一些關鍵特徵。
Another key feature of this remnant is the long white line running from left to right across the center called the equatorial belt. 該遺迹的另一關鍵特徵是,赤道方向有一道明亮的白色環帶,自左向右穿過穿過遺迹的中心,名為環赤道帶。