According to astronomy experts of the Zijin Mountain Astronomical Observatory, the speed at the time of collision between the 21 nuclei and Jupiter will be as high as 60 km/s.
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据紫金山天文台的天文专家介绍,这颗彗星的二十一颗彗核与木星碰撞时的速度高达每秒六十公里。
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