"Khopolo ea boemo bo tsitsitseng" e bolela'ng?
Ho cosmology, khopolo ea boemo bo tsitsitseng, kapa khopolo ea boemo bo tsitsitseng, ke e 'ngoe e fapaneng le khopolo ea Big Bang ea ho iphetola ha bokahohle. Mohlala oa boemo bo tsitsitseng, ho ata ha bokahohle ho lula ho le joalo hobane ho lula ho ntse ho etsoa lintho. Sena se lumellana le molao-motheo o phethahetseng oa bokahohle, o reng bokahohle boo re bo bonang bo batla bo tšoana hohle le ka nako leha e le efe.  Mathata a mohlala oa boemo bo tsitsitseng a ile a qala ho hlaha lilemong tsa bo-1950 le bo-1960, ha lintho tse hlokometsoeng li qala ho tšehetsa khopolo ea hore bokahohle bo ne bo hlile bo fetoha: mehloli e khanyang ea seea-le-moea (li-quasar le linaleli tsa seea-le-moea) e fumanoe feela libakeng tse hōle haholo (ka hona e ka be e bile teng feela nakong e fetileng e hole ka lebaka la litlamorao tsa lebelo la leseli thutong ea linaleli), eseng ho linaleli tse haufi.  Ho sibolloa ha cosmic microwave background radiation ka 1964, e neng e boletsoe esale pele ke khopolo ea Big Bang, ho ile ha fa boholo ba litsebi tsa bokahohle phephetso e hlakileng ea mohlala oa boemo bo tsitsitseng.