Boris Vorontsov-Velyaminov argued that the tails were too thin and too long (sometimes as large as 100,000 parsecs) to have been produced by gravity alone, as gravity should instead produce broad distortions.
Boris Vorontsov-Velyaminov認為這些尾巴僅由潮汐力造成，是太細也太長（有些大小達到100,000秒差距） ，作為重力應該產生廣泛的扭曲。