Along with the rare event that the Comet SL-9 impact Jupiter was con-firmed by observations,the task of searching near-earth asteroids and relativecomets is obtaining more and more attention.

• 随着SL-9彗星撞击木星这一罕见天象得到观测证实,搜索近地小行星以及与之相当的彗星的任务日益受到重视。