The orientation of the equatorial belt suggests the parent star maintained the same spin axis both before and after it exploded 环赤道带的方向说白,前身星在爆发前后的自转轴取向保持不变。
Gnomonic charts are published covering the atlantic , pacific and indian oceans , except for an equatorial belt in each ocean 出版大圆海图覆盖大西洋,太平洋和印度洋(各大洋近赤道带水域除外) 。
Another key feature of this remnant is the long white line running from left to right across the center called the equatorial belt 该遗迹的另一关键特征是,赤道方向有一道明亮的白色环带,自左向右穿过穿过遗迹的中心,名为环赤道带。