The concept refers to the theoretical final generation of stellar objects that will exist in the universe before all star formation ceases. These faint, long-lived stars represent the ultimate stage of cosmic evolution, persisting for unimaginable timescales as the universe continues to expand and cool. Their existence marks the endpoint of an era dominated by radiant energy and nuclear fusion.
Understanding this epoch is crucial for comprehending the far future of the cosmos. These remaining stars provide insights into the processes that will govern the universe’s ultimate fate, including the diminishing availability of star-forming materials and the increasing dominance of dark energy. They represent a connection to the present, enabling researchers to extrapolate current astrophysical principles to predict events far beyond human comprehension.