Zwicky described additional supernovae varieties based upon a not many examples that didn't cleanly in shape the parameters for Form I or Kind II supernovae. SN 1961i in NGC 4303 was the prototype and only member of the kind III supernova class, observed for its wide light-weight curve maximum and https://andresckmnx.blog5star.com/36304034/the-ultimate-guide-to-case-study-analysis