▁questions ▁of ▁the ▁cos mic ▁universe . ▁ ▁In ▁K og i ▁cosm ology , ▁they ▁have ▁added ▁three ▁dimensions ▁to ▁the ▁standard ▁N / S / E / W : ▁Z en ith , ▁Nad ir ▁and ▁the ▁Center . ▁This ▁fixed ▁system ▁of ▁points ▁res emb les ▁an ▁egg , ▁and ▁is ▁form ulated ▁into ▁nine ▁stages / layers ▁of ▁development . ▁Mother ▁God dess , ▁the ▁cre ator ▁of ▁the ▁universe ▁and ▁man kind , ▁created ▁the ▁cos mic ▁egg . ▁The ▁horizontal ▁layers ▁of ▁the ▁egg ▁are ▁divided ▁into ▁two ▁sections ▁of ▁four ▁world s ▁with ▁man kind ▁( the ▁ 5 th ▁layer ) ▁res iding ▁in ▁the ▁center . ▁The ▁cos mic ▁egg ▁also ▁represents ▁the ▁u ter us ▁of ▁Mother ▁God dess ▁and ▁the ▁Sierra ▁Nev ada . ▁Because ▁of ▁this , ▁the ▁K og i ▁have ▁built ▁the ▁structure ▁of ▁the ▁cer emon ial ▁house ▁as ▁a ▁rep lica ▁of ▁the ▁cos mos . ▁ ▁Fun er ary ▁custom s ▁The ▁M amos ▁particip ate ▁in ▁various ▁rit uals ▁to ▁celebr ate ▁the ▁individual ' s ▁life ▁cycle ▁from ▁birth ▁to ▁death . ▁These ▁cer emon ies ▁include ▁offer ings , ▁d ances , ▁and ▁other ▁rit ual ▁affairs . ▁Although ▁every ▁life ▁cycle ▁is ▁celebrated , ▁emphas is ▁on ▁bur ial ▁custom s ▁has ▁been ▁of ▁much ▁importance ▁to ▁the ▁K og i ▁people . ▁In ▁this ▁tribe , ▁death ▁is ▁not ▁viewed ▁as ▁a ▁trag ic ▁event ▁but ▁as ▁a ▁“ ful fill