Very quickly they realized that even though they were able to classify close to a million galaxies, this scale is not enough to work with newer digital sky surveys, which can produce images of about 10 billion galaxies (Kuminski et al. 2014).
Ngokushesha baqaphela ukuthi nakuba babekwazi ukuhlukanisa izinkanyezi eziyizigidi, lesi sikali asanele ukusebenza ngezinhlolovo zamuva zedijithali ezintsha, ezingabangela izithombe zezinkanyezi eziyizigidi ezingu-10 (Kuminski et al. 2014).