This is a chaotic outcome that planetary-defence researchers usually want to avoid, to minimise the risk of asteroidal shards flying in all directions.

这是星防御研究人员通常希望避免混乱，尽量减少小星碎片四处风险。

In the inner Solar System, Mars has two small captured asteroidal moons, while Mercury and Venus have no moons.

在内太阳系， 火星有两颗小型捕获小星状卫星，而水星和金星则没有卫星。