太空垃圾的困扰

   华为资源网 提供本片资源  In2014,theInternationalSaceStationhadtomovethreetimestoavoidlethalchunksofsacedebrisandthereisanincreasingroblemofsatellitesmysteriouslybreakingdown.Withfirst-handaccountsfromastronautsandexerts,Horizonrevealsthescaleoftheroblemofsacejunk.Ourlanetissurroundedbyhundredsofmillionsofiecesofjunkmovingat17,000mileserhour.NowtheUSgovernmentisinvestingabilliondollarstotrackthem,andcomaniesaroundtheworldaredeveloingwaystoclearutheirmess-fromrobotarmstonetsandharoons.HorizoninvestigatesthesciencebehindthehitfilmGravityanddiscoverstherealityisfarmoreworryingthantheHollywoodfiction.