<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: I-Passage: Kamuva uPonomaryova wasebenza emkhakheni we-orbital mechanics e-Gagarin Training Center. Ngemuva kwalokhu, wayengusosayensi ocwaningayo e-Institute of Natural Historic Sciences. Wathola iziqu zeCandidate of Technical Sciences ngo-1974. Umbuzo: Wathola umklomelo ngamuphi unyaka?  <response>: Unyaka ka-1974 