> the concept of fire as we know it on Earth is unlikely to occur elsewhere in the same way. Fire requires oxygen to combust, and the vast majority of the universe is composed of vacuum or environments with low concentrations of oxygen.
However, if we consider the broader definition of fire as a release of energy through exothermic chemical reactions, there are certainly processes in the universe that can be likened to fire. For instance, stars like our Sun generate energy through nuclear fusion, which is an exothermic reaction that converts hydrogen into helium at extremely high temperatu…