From the WP tonight:
Kind of. You have the old “western” and “eastern” hemispheres and then you have the “northern” and “southern” hemispheres. But in the 1880’s some clever map maker came up with the idea of two hemispheres…land and water. https://en.wikipedia.org/wiki/Land_and_water_hemispheres3 hemispheres, so the planet is ManBearBig now?