Two decades later, Joshua Barnes of the University of Hawaii and John Hibbard of the National Radio Astronomy Observatory in Virginia created a detailed model of the colliding Mice that greatly enhanced the work of the Toomre brothers.

• 二十年之后，夏威夷大学的约书亚·巴尼斯和弗吉尼亚国家射电大文学天文台的约翰·哈比德创造了一个撞击的“老鼠”的详细模型，这大大地推进了图木尔兄弟的工作。