转自：CGTN

[#赛博学堂#|人类航天简史]从第一颗人造卫星，到第一位宇航员，再到月球上的第一个足迹，人类从未停止过对浩瀚宇宙的探索。未来，我们什么时候才能登上火星？能否实现星际旅行？请国际宇航联空间运输委员会主席杨宇光博士来为我们一一解答吧！Humanbeingshaveneverstoppedexploringtheuniverse.Throughoutourquestfortheunknown,pioneershavecontinuallypushedthelimitsofhumanknowledgeandcapability.Fromtheearlydaysofrocketrytotoday'sadvancedspacestations,eachstepforwardhasexpandedourunderstandingofwhat'spossible.Forthosecuriousaboutthehistoryofhumanspaceflight,don'tmissthelatestepisodeofSPARK,whichfeaturesProfessorYangYuguangfromtheInternationalAstronauticalFederation.Heoffersacomprehensiveoverviewofhumanity'sjourneyintospace.