"Asunto Nemesis" refers to the Spanish edition of David M. Raup's book, The Nemesis Affair , which examines the controversial hypothesis that a companion star causes periodic mass extinctions. The work details the scientific debate regarding these mass extinctions, which are proposed to occur every 26 million years due to comet showers, according to the theory outlined in the text. For more information, visit the Buscalibre website. AI responses may include mistakes. Learn more bibliografie - ddd-UAB