The central ring appears to represent the narrow waist of an hourglass-shaped puff of gas, and the larger rings are the edges of two teardrop-shaped lobes, evidently created by the star a few tens of thousands of years before it exploded.

• 中央的环看来是沙漏状云气的细腰，而较大的圈圈则明显是在爆炸前数万年，该恒星就已经喷出的两片泪珠状云瓣的边缘。