Takatarisana neEarth, akiso yekuzeya inoreva mutsetse wemonerapo panove ndipo panoziririka Earth kamwe pamusi mumwe - izvi zvinokonzera kubuda nokudoka kwezuva. Akiso iyi mutsetse unobatananidza North pole neSouth pole. Earth inoziririka kamwe pamusi umwe ichizvimonerera paAkiso iyoyi - kamwe pa24 maawa.