Ukwezi kurengeje miliyoni 40 kurenza uko twabitekerezaga, dukurikije isesengura rishya ry’ingero z’ukwezi zegeranijwe n’inyenyeri zo mu bwoko bwa Apollo mu binyejana byashize.

Bikekwa ko byakozwe mugihe ikintu kingana na Mars, kizwi nka Theia, cyaguye ku isi. Imyanda iva mu kugongana yabaye icyogajuru cyonyine cyumubumbe wacu, ariko igihe nyacyo cyingaruka cyabaye ikintu cyamayobera