Zwicky described extra supernovae styles based on a hardly any examples that did not cleanly in good shape the parameters for Variety I or Type II supernovae. SN 1961i in NGC 4303 was the prototype and only member of the Type III supernova class, observed for its broad mild curve https://casestudyassignmenthelp50473.blogunok.com/35941649/about-case-study-solution