Nastpnej
Nastpnej is a fictional terrestrial planet that appears in science fiction and world-building exercises. In many depictions, it orbits a cool red dwarf on the outer edge of its star system, receiving limited insolation and producing long winters with pronounced seasonal contrasts. Geophysical activity, including subsurface oceans and cryovolcanism, creates a two-tier climate that combines surface ice with hidden liquid reservoirs.
Etymology and naming in-universe: The name Nastpnej is a constructed exonym used by multiple authors. Its in-universe
Geography and climate: The planet has a radius close to that of Earth and sufficient density to
Life and ecology: There is no universal consensus on native macroscopic life in Nastpnej; most portrayals feature
Human activity and culture: In narrative settings, Nastpnej hosts frontier outposts, research stations, and mining settlements
Usage in fiction and scholarship: Nastpnej serves as a setting to explore extreme-environment logistics, climate-engineering debates,