Space-time in simple terms is a mathematical model that combines space and time into a single continuum.
All these rest upon the facts of mathematical geography, and the three are so closely inter-related that they cannot be rigidly separated in any discussion.
It has been stated that Napier's mathematical pursuits led him to dissipate his means.
The fundamental geographical conceptions are mathematical, the relations of space and form.
The angle which the earth's axis makes with the plane in which the planet revolves round the sun determines the varying seasonal distribution of solar radiation over the surface and the mathematical zones of climate.