剧情介绍
In二0一四,theInternationalSpaceStationhadtomovethreetimestoavoidlethalchunksofspacedebrisandthereisanincreasingproblemofsatellitesmysteriouslybreakingdown Withfirst-handaccountsfromastronautsandexperts,Horizonrevealsthescaleoftheproblemofspacejunk Ourplanetissurroundedbyhundredsofmillionsofpiecesofjunkmovingat一七,000milesperhour NowtheUSgovernmentisinvestingabilliondollarstotrackthem,andcompaniesaroundtheworldaredevelopingwaystoclearuptheirmess-fromrobotarmstonetsandharpoons HorizoninvestigatesthesciencebehindthehitfilmGravityanddiscoverstherealityisfarmoreworryingthantheHollywoodfiction