"Apocalypse Sun" is a term often used in science fiction and speculative literature to describe a catastrophic event involving the sun. This could include scenarios like a supernova, solar flares, or other solar phenomena that threaten life on Earth. Such events can lead to extreme climate changes, radiation exposure, and the potential for mass extinction. In popular culture, "Apocalypse Sun" may also refer to various media, including films, books, and video games that explore themes of survival and the end of civilization. These narratives often depict humanity's struggle against overwhelming odds, emphasizing resilience and adaptation in the face of disaster.