Nimenantoon

Nimenantoon is a fictional planet featured in the science fiction novel "Project Hail Mary" by Andy Weir. It is the homeworld of the alien species known as the Eridians. Nimenantoon is depicted as a planet with a dense atmosphere, which influences the physiology and adaptations of its inhabitants. The Eridians, who are the primary non-human characters in the novel, originate from this world. Their biology is adapted to the unique conditions of Nimenantoon, including their ability to breathe its atmosphere and their physical characteristics. The planet's environment is a crucial element in understanding the Eridians and their technological capabilities. While specific details about Nimenantoon's geography and climate are not extensively elaborated upon, its role as the origin point for the Eridians is central to the narrative of "Project Hail Mary." The planet serves as a point of reference for the alien species' development and their eventual interaction with humanity.