Mesa was a planet in the Mesa System, located within Solarian space, far to the galactic south west of the Sol System. The Talbott Cluster was located to its north. (CS1) The planet was almost identical to Earth, orbiting its sun at about 149,3 million kilometers distance. However, its axial tilt was only nine degrees, and it had a slightly higher percentage of landmass than the human homeworld. (CS2) The climate was so mild that most "natural disasters" reported in Mesan news were actually man-made, like fires. (CS3)