Zwicky outlined extra supernovae types determined by a only a few examples that didn't cleanly in good shape the parameters for Type I or Variety II supernovae. SN 1961i in NGC 4303 was the prototype and only member of the Type III supernova class, noted for its broad mild curve https://stephenxxcrz.blognody.com/39004261/5-essential-elements-for-pay-someone-to-write-my-case-study