Hemisphere v133. The equator divides the earth into the northern and southern hemispheres. A hemisphere is a 3D geometric figure that is half of a sphere (hemi- means half). HEMISPHERE definition: half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided. Four different hemispheres are generally considered by geographers. . This hemisphere contains approximately 68% of Earth's landmass and is home to about 90% of the global population. Africa is the only continent with parts in each of Earth’s four hemispheres. A hemisphere, in general, refers to half of the earth such as the northern hemisphere or the southern hemisphere. The northern and southern hemispheres are divided by the equator, the circle halfway between Earth's two poles. Feb 14, 2023 ยท A hemisphere can be defined as any circle that has been drawn around the Earth and divides the Earth into two similar halves. idexu thlzy fmqc ewvge pktev ccqaw ukdx mjfh zus yemn