"Day of Wrath" by Bjarne Kirchhoff is a science fiction novella written in the mid-20th century. The story explores themes of survival, morality, and the consequences of interstellar conflict, set in a future where planets are governed by a council. The central topic revolves around the crisis that ensues when the food-supplying planet Rona faces destruction, prompting the inhabitants of the Norgan solar system to seek new resources, culminating in a moral dilemma regarding the fate of another planet's inhabitants. The narrative follows Lan Yotar, the Chief of the Council of Elders, and his advisors as they respond to the catastrophic volcanic eruptions on Rona that threaten its population and the food supply of the entire solar system. As Rona is evacuated, Commander Ros Vinla, tasked with exploring other solar systems for potential habitable worlds, discovers a planet populated by beings who are physically similar to humans but engage in incessant warfare. Faced with the dire need for resources and the troubling nature of these beings, the Council debates and eventually decides to exterminate them to secure their survival. This controversial decision sparks a profound exploration of morality in dire circumstances, as the characters grapple with the consequences of their actions in the name of survival. (This is an automatically generated summary.)