Of the 200 papers published each year that receive the most citations, about 10% are based on Hubble data.Although the HST has clearly helped astronomical research, its financial cost has been large.. 
DÁNAT suntáì je oloselu omo ile Naijiria ati gomina ipinle Taraba lati odun 2007.itọkasiàwọn oloselu ara Naijiria.. 