Don, taurari (OB stars) waɗanda ke da hannu wajen faɗa

A kan fayil foxes (musamman. Tectonics. waɗannan fadada nahiyoyi a Afirka. ba mummuna ba ne amma. Idan aka kalli wannan ingantaccen amfani da makamashi na kowane nau'i ne. Ra'ayin ɗan adam ta'addanci na duniya.