While Kodak and Itek had each ground back-up mirrors for Hubble, it would have been impossible to replace the mirror in orbit, and too expensive and time-consuming to bring the telescope back to Earth for a refit.. 
Murtala Nyako je omo ile Naijiria ohun si ni gomina ipinle Adamawa lati odun 2007.Ìtọ́kasí gomina ipinle Adama gomina ipinle nígèélẹ Naijiria ara Nàìjíríà..