Ingabe umhlaba uyisicaba?
Cha, uMhlaba uyisiyingi, njengawo wonke amanye amaplanethi. Amandla adonsela phansi omzimba wayo awuphoqelela ukuba ube nesimo esiyindilinga. Amandla adonsela phansi adonsela izinto maphakathi neplanethi. Umbono wokuthi umhlaba uyisicaba awusekelwe ebufakazini besayensi. Nokho, umhlaba awusiwo oyindilinga ngokuphelele, ngoba amandla okuzungeza kwawo enza umhlaba uphakame kancane nxazonke ze - equator.