SolCore

is the astrographic, cultural and political region encompassing the Sol system and informal designation for the capital and seat of power, often synonymous with planet Earth. The region also includes Sol's immediate stellar surroundings within five-light year radius including the nearby, underdeveloped triple star system Alpha Centauri. In both academic and colloquial use, "SolCore" also refers to the residents the Sol system, distinct from the culture and politics of the Inner and Outer Colonies, with varied connotations following historical usage since the 24th century and human efforts towards extrasolar colonization.