The model predicts that they are set to meet again and again in many smaller crashes until eventually they get so tightly wound up that they will combine to form one large galaxy some 400 million years from now.

• 这个电脑模拟预测它们肯定会在一次又一次小的撞击中再相遇，直到最后，它们牢固地结合在一起，从现在开始的四亿年后，它们就会最终合成一个大星系。