 Pedzisa mutsara unotevera: Munguva yeDiscovery rwendo rwa 19011904 Cheetham akaita shanyo yake yokutanga kuAntarctic apo akashanda mungarava yebetsero. Akaenda kuAntarctic zvakare, panguva ino achitungamirirwa naErnest Shackleton, ariNimrodhi rwendo uko akanga ari mukuru wechitatu nomufambisi wechikepe. 