The diversity of core-collapse supernovae — the explosions of massive stars — has increased greatly recently, driven by developments in observing facilities and techniques. Here Modjaz, Gutiérrez and Arcavi survey the current observational classifications, question whether the lines are starting to blur and look forward to the large samples of supernovae that are to come.
- Maryam Modjaz
- Claudia P. Gutiérrez
- Iair Arcavi
