Nemesis by Isaac Asimov

In this science fiction novel, humanity faces potential extinction as Earth is threatened by a celestial body called Nemesis, a red dwarf star with a habitable planet named Erythro in its orbit. The story unfolds through the perspectives of various characters, including a young girl with a unique connection to Erythro, her mother, and a scientist who discovers Nemesis. As tensions rise between Earth and the space colony Rotor, where the girl and her mother reside, the narrative explores themes of survival, human ambition, and the ethical implications of scientific discovery. The characters grapple with personal and societal dilemmas, ultimately questioning the future of humanity in the face of cosmic forces.