深太空 meaning in Chinese

deespace

With nasa planning to land on mars 30 years from now , and with the recent discovery of the most " earth - like " planet ever seen outside the solar system , the space agency has begun to ponder some of the thorny practical and ethical questions posed by deep space exploration
太空总署计画30年后登陆火星，同时随著最近在太阳系外发现与地球最类似的行星，该署开始思考，深太空探险可能产生的一些棘手的实际和伦理道德问题。