Definitions by Lunatic's Lunacy

Kerbin

The 3rd planet of the Kerbol System after Moho and Eve. Home to the green men known as "Kerbals." Kerbin is 600 kilometers in radius with a breathable atmosphere in 70 kilometers in height making it the 3rd largest celestial body in the Kerbol system. Kerbin has two moons; The Mün and Minmus.

If you reach low Kerbin orbit, you are halfway to anywhere.

Kerbin by Lunatic's Lunacy February 10, 2023