/ˈspeɪs ˌProfessionalʊb/ a small spacecraft, without having a single travelling in it, sent into space to produce measurements and send out back information to researchers on earth students, her tactic during the latter part in the e book can at times err toward the descriptive. From the Cambridge English Corpus https://businessflightshop.co.uk/blog/ideas-to-spend-your-next-vacation-in-japan/