Bayan haka, sai ku amsa tambayar a baya a cikin wannan harshe kamar yadda nassi: Passage: Zamanin sararin samaniya ya kai kololuwa tare da shirin Apollo, wanda ya kama tunanin yawancin mutanen duniya. Saukowar Apollo 11 ya kalli sama da mutane miliyan 500 a duk duniya kuma an yarda da shi a matsayin daya daga cikin mahimman lokutan karni na 20. Tun daga wannan lokacin, hankalin jama'a ya koma wasu fannoni.A Amurka, bala'in Space Shuttle Challenger a 1986 ya nuna raguwa mai yawa a cikin jirage masu saukar ungulu.Bayan bala'in, NASA ta dakatar da dukkan Shuttles saboda damuwar aminci har zuwa 1988. A lokacin shekarun 1990s, kudade don shirye-shiryen sararin samaniya sun ragu sosai yayin da sauran tsarin Soviet Union da aka rushe yanzu suka rushe kuma NASA ba ta da wata gasa kai tsaye. Tambaya: Yaushe ne kudaden NASA ya ragu sosai?
Shekaru na 1990