Cosmic explosions encompass a variety of phenomena beyond supernovae and gamma-ray bursts, including novae, coronal mass ejections, solar flares, and planetary collisions. Novae represent less intense explosions compared to supernovae, while red giant stars undergo gradual mass ejection before becoming white dwarfs. The nature of gamma-ray bursts is debated, as they may not fit the traditional definition of an explosion, instead representing concentrated energy emissions from black holes. Additionally, quasars emit more energy than supernovae, raising questions about their classification as explosions. Overall, the term "explosion" in cosmic contexts is broad and often requires further clarification.