英国航天局的理查德克劳塞教授说：这种几率太小了，我当然不会晚上睡不着，担心航天器的残骸会砸透我的房顶。
Prof Richard Crowther of the UK Space Agency said : The chances are so low it certainly doesn 't keep me awake at night worrying about the probability of a piece of space debris coming through my roof .
英国航天局