现有的国际外层空间法尚无外空物体的法律定义，外空物体在学术界的论述中也存在着分歧。
There is no legal definition of the space objects in the international outer-space law while different viewpoints on the issue exist in the academic circles .
外层空间法五大条约的现状及面临的挑战
The Status and Problems of the Five Outer Space Treaties
外层空间法