Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Shirin jirgin saman sararin samaniya na Soviet yana da tushe a farkon zamanin sararin samaniya, a ƙarshen 1950s. Tunanin Soviet na sake amfani da jirgin sama na sararin samaniya ya tsufa sosai, kodayake ba ci gaba ba ne, kuma ba a tsara shi ba. Kafin Buran, babu wani aikin shirin da ya kai ga samarwa.  Tambaya: Yaushe aka fara shirin sararin samaniya na Soviet?
ƙarshen shekarun 1950