A more likely cause, Dr. Tapley said, would be a large meteor burning up as it entered the atmosphere.
Tapley博士说，一种可能是一颗大流星在进入大气时燃烧。
According to this theory, a large meteor hitting the moon would melt the surface rock by the force of the collision.
根据此理论，一颗大流星落在月球上所产生的碰撞力就会使月球表面上的岩石熔化。
Large meteor impacts may have occasionally thickened and warmed the atmosphere.
大型陨石的撞击则可能偶发的使大气密度及温度增加。
Large meteor impacts may have occasionally thickened and warmed the atmosphere.
大型陨石的撞击则可能偶发的使大气密度及温度增加。
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