The largest member of the family in question is called Baptistina, and is some 40km (25 miles) across.

其中最大的家庭成员叫Baptistina，直径达40公里(25英里)。

youdao

The result is that the daughters of Baptistina have become scattered farther and farther away from their mother.

这样的结果就是，Baptistina的女儿们分散得离她们的母亲愈来愈远。

youdao

Dr Bottke's contention is that the deed was done by one of Baptistina's daughters.

ECONOMIST: Asteroid impacts: Baptistina's terrible daughters | The

First, the surviving debris from the devastating impact has the same composition as Baptistina and her offspring.

ECONOMIST: Asteroid impacts

The result is that the daughters of Baptistina have become scattered farther and farther away from their mother.

ECONOMIST: Asteroid impacts