太空岩石群 ：陨石碎片一般会落入海洋，有时也会掉落沙漠，如同小行星2008TC3的残骸。

School of Rock: Fragments that manage to survive often fall into the ocean. Sometimes debris drops to the desert, as it did with asteroid 2008 TC3.

youdao

他有两方面的证据：第一，现存的灾难性撞击的残骸与Baptistina和她的后代有相同的成分，这是必要条件，但并非充分条件，因为含碳的球粒状陨石在其它小行星上也有；

That is a necessary but not a sufficient condition, as the type of rock involved, called carbonaceous chondrite, is found in other asteroids, too.

youdao

他有两方面的证据：第一，现存的灾难性撞击的残骸与Baptistina和她的后代有相同的成分，这是必要条件，但并非充分条件，因为含碳的球粒状陨石在其它小行星上也有；

That is a necessary but not a sufficient condition, as the type of rock involved, called carbonaceous chondrite, is found in other asteroids, too.

youdao