ISSNatis

ISSNatis is a proposed designation for a hypothetical celestial body within the Kepler-186 system. This term, while not an officially recognized astronomical name, has emerged in discussions and theoretical models concerning the potential for life beyond Earth. The Kepler-186 system is notable for containing Kepler-186f, an exoplanet located within the habitable zone of its star. The concept of ISSNatis arises from the possibility that other objects within this system, or in similar systems, could harbor conditions conducive to life, even if they are not planets in the traditional sense.

The term itself is a portmanteau, combining "ISSN" which refers to the International Standard Serial Number, a unique identifier for periodicals, with "atis," a Latin suffix often used to denote a place or quality. This suggests a conceptualization of a "place" or "entity" within a structured system that might possess unique characteristics, analogous to how an ISSN identifies a distinct publication. It is important to note that ISSNatis remains a speculative concept. There is no scientific evidence to support the existence of such a body, nor is it an officially sanctioned astronomical term by organizations like the International Astronomical Union. Its use is primarily confined to speculative scientific discourse and potentially in science fiction contexts exploring extraterrestrial environments.